Add support for the Intel compiler used for ASM under Windows

Alex

Modules/Compiler/Intel-ASM.cmake

@@ -6,4 +6,8 @@ SET(CMAKE_ASM_FLAGS_MINSIZEREL_INIT "-Os -DNDEBUG")
 SET(CMAKE_ASM_FLAGS_RELEASE_INIT "-O3 -DNDEBUG")
 SET(CMAKE_ASM_FLAGS_RELWITHDEBINFO_INIT "-O2 -g")
 
-set(CMAKE_ASM_SOURCE_FILE_EXTENSIONS s)
+IF(UNIX)
+  SET(CMAKE_ASM_SOURCE_FILE_EXTENSIONS s;S)
+ELSE(UNIX)
+  SET(CMAKE_ASM_SOURCE_FILE_EXTENSIONS asm)
+ENDIF(UNIX)

Modules/Platform/Windows-Intel-ASM.cmake

@@ -0,0 +1,2 @@
+include(Platform/Windows-Intel)
+__windows_compiler_intel(ASM)