Add AArch64 support.

While building Fedora 21 for AArch64 we found out that your software is
not building for us. Attached is a fix which adds this architecture in
all required places.

include/cln/object.h

@@ -22,7 +22,7 @@ namespace cln {
 #if defined(__m68k__)
   #define cl_word_alignment  2
 #endif
-#if defined(__i386__) || defined(__mips__) || defined(__mipsel__) || (defined(__sparc__) && !defined(__arch64__)) || defined(__hppa__) || defined(__arm__) || defined(__rs6000__) || defined(__m88k__) || defined(__convex__) || (defined(__s390__) && !defined(__s390x__)) || defined(__sh__) || (defined(__x86_64__) && defined(__ILP32__))
+#if defined(__i386__) || defined(__mips__) || defined(__mipsel__) || (defined(__sparc__) && !defined(__arch64__)) || defined(__hppa__) || defined(__arm__) || defined(__rs6000__) || defined(__m88k__) || defined(__convex__) || (defined(__s390__) && !defined(__s390x__)) || defined(__sh__) || (defined(__x86_64__) && defined(__ILP32__)) || defined(__aarch64__)
   #define cl_word_alignment  4
 #endif
 #if defined(__alpha__) || defined(__ia64__) || defined(__mips64__) || defined(__powerpc64__) || (defined(__sparc__) && defined(__arch64__)) || (defined(__x86_64__) && !defined(__ILP32__)) || defined(__s390x__)

include/cln/types.h

@@ -48,7 +48,7 @@
     #undef HAVE_LONGLONG
    #endif
   #endif
-  #if defined(HAVE_LONGLONG) && (defined(__alpha__) || defined(__ia64__) || defined(__mips64__) || defined(__powerpc64__) || defined(__s390x__) || (defined(__sparc__) && defined(__arch64__)) || defined(__x86_64__))
+  #if defined(HAVE_LONGLONG) && (defined(__alpha__) || defined(__ia64__) || defined(__mips64__) || defined(__powerpc64__) || defined(__s390x__) || (defined(__sparc__) && defined(__arch64__)) || defined(__x86_64__)) || defined(__aarch64__)
     // 64 bit registers in hardware
     #define HAVE_FAST_LONGLONG
   #endif
@@ -76,7 +76,7 @@
 
 // Integer type used for counters.
 // Constraint: sizeof(uintC) >= sizeof(uintL)
-  #if (defined(HAVE_FAST_LONGLONG) && (defined(__alpha__) || defined(__ia64__) || defined(__powerpc64__) || defined(__s390x__) || (defined(__sparc__) && defined(__arch64__)) || defined(__x86_64__)))
+  #if (defined(HAVE_FAST_LONGLONG) && (defined(__alpha__) || defined(__ia64__) || defined(__powerpc64__) || defined(__s390x__) || (defined(__sparc__) && defined(__arch64__)) || defined(__x86_64__))) || defined(__aarch64__)
     #define intCsize long_bitsize
     typedef long           sintC;
     typedef unsigned long  uintC;
@@ -88,7 +88,7 @@
 
 // Integer type used for lfloat exponents.
 // Constraint: sizeof(uintE) >= sizeof(uintC)
-#if (defined(HAVE_LONGLONG) && (defined(__alpha__) || defined(__ia64__) || defined(__powerpc64__) || defined(__s390x__) || (defined(__sparc__) && defined(__arch64__)) || defined(__x86_64__) || defined(__i386__) || defined(__mips__) || defined(__rs6000__)))
+#if (defined(HAVE_LONGLONG) && (defined(__alpha__) || defined(__ia64__) || defined(__powerpc64__) || defined(__s390x__) || (defined(__sparc__) && defined(__arch64__)) || defined(__x86_64__) || defined(__i386__) || defined(__mips__) || defined(__rs6000__))) || defined(__aarch64__)
     #define intEsize 64
     typedef sint64  sintE;
     typedef uint64  uintE;
@@ -127,7 +127,7 @@
     typedef int sintD;
     typedef unsigned int uintD;
   #else  // we are not using GMP, so just guess something reasonable
-    #if (defined(HAVE_FAST_LONGLONG) && (defined(__alpha__) || defined(__ia64__) || defined(__powerpc64__) || (defined(__sparc__) && defined(__arch64__)) || defined(__s390x__) || defined(__x86_64__)))
+    #if (defined(HAVE_FAST_LONGLONG) && (defined(__alpha__) || defined(__ia64__) || defined(__powerpc64__) || (defined(__sparc__) && defined(__arch64__)) || defined(__s390x__) || defined(__x86_64__))) || defined(__aarch64__)
       #define intDsize 64
       typedef sint64  sintD;
       typedef uint64  uintD;