Add wamrc AoT compiler building support for Windows(MSVC) (#332)

core/iwasm/aot/arch/aot_reloc_x86_32.c

@@ -15,11 +15,13 @@ void __umoddi3();
 
 static SymbolMap target_sym_map[] = {
     REG_COMMON_SYMBOLS
+#if !defined(_WIN32) && !defined(_WIN32_)
     /* compiler-rt symbols that come from compiler(e.g. gcc) */
     REG_SYM(__divdi3),
     REG_SYM(__udivdi3),
     REG_SYM(__moddi3),
     REG_SYM(__umoddi3)
+#endif
 };
 
 static void