Use CMAKE_ASM_NASM_FLAGS for nasm instead of FLAGS

Alex

Modules/CMakeASM_NASMInformation.cmake

@@ -36,7 +36,7 @@ else()
   endif()
 endif()
 
-set(CMAKE_ASM_NASM_COMPILE_OBJECT "<CMAKE_ASM_NASM_COMPILER> <FLAGS> -f ${CMAKE_ASM_NASM_OBJECT_FORMAT} -o <OBJECT> <SOURCE>")
+set(CMAKE_ASM_NASM_COMPILE_OBJECT "<CMAKE_ASM_NASM_COMPILER> <CMAKE_ASM_NASM_FLAGS> -f ${CMAKE_ASM_NASM_OBJECT_FORMAT} -o <OBJECT> <SOURCE>")
 
 # Load the generic ASMInformation file:
 set(ASM_DIALECT "_NASM")