fixed some lower/upper case issue in cmake

resources/3rdparty/include_xerces.cmake

@@ -1,6 +1,6 @@
 if(USE_XERCESC)
-	find_package(XercesC QUIET)
-    if(XercesC_FOUND)
+	find_package(XERCESC QUIET)
+    if(XERXESC_FOUND)
         message(STATUS "Storm - Use system version of xerces.")
     else()
         message(STATUS "Storm - Use shipped version of xerces.")
@@ -19,13 +19,13 @@ if(USE_XERCESC)
         )
 
         set(XERCESC_ROOT ${STORM_3RDPARTY_BINARY_DIR}/xercesc-3.1.2)
-        set(XercesC_INCLUDE_DIRS ${XERCESC_ROOT}/include)
+        set(XERCESC_INCLUDE_DIRS ${XERCESC_ROOT}/include)
         set(XERCESC_LIBRARY_PATH ${XERCESC_LIB_DIR})
 
         if(BUILD_STATIC)
-            set(XercesC_LIBRARIES ${XERCESC_LIBRARY_PATH}/libxerces-c${STATIC_EXT})
+            set(XERCESC_LIBRARIES ${XERCESC_LIBRARY_PATH}/libxerces-c${STATIC_EXT})
         else()
-            set(XercesC_LIBRARIES ${XERCESC_LIBRARY_PATH}/libxerces-c${DYNAMIC_EXT})
+            set(XERCESC_LIBRARIES ${XERCESC_LIBRARY_PATH}/libxerces-c${DYNAMIC_EXT})
         endif()
 
         add_dependencies(resources xercesc)
@@ -33,15 +33,15 @@ if(USE_XERCESC)
 
     message (STATUS "Storm - Linking with xercesc.")
     set(STORM_HAVE_XERCES ON)
-    include_directories(${XercesC_INCLUDE_DIRS})
+    include_directories(${XERCESC_INCLUDE_DIRS})
     if(APPLE)
         FIND_LIBRARY(COREFOUNDATION_LIBRARY CoreFoundation )
         FIND_LIBRARY(CORESERVICES_LIBRARY CoreServices )
 		mark_as_advanced(COREFOUNDATION_LIBRARY)
 		mark_as_advanced(CORESERVICES_LIBRARY)
     endif()
-    find_package(CURL)
-    list(APPEND STORM_GSPN_LINK_LIBRARIES ${XercesC_LIBRARIES} ${COREFOUNDATION_LIBRARY} ${CORESERVICES_LIBRARY} ${CURL_LIBRARIES})
+    # find_package(CURL)
+    list(APPEND STORM_GSPN_LINK_LIBRARIES ${XERCESC_LIBRARIES} ${COREFOUNDATION_LIBRARY} ${CORESERVICES_LIBRARY} ${CURL_LIBRARIES})
 else()
     set(STORM_HAVE_XERCES OFF)
     message (WARNING "Storm - Building without Xerces disables parsing XML formats (for GSPNs)")