Updated Working for Android (markdown)

Working-for-Android.md

@@ -159,6 +159,10 @@ _Step 6.generate APK (生成APK)
     run command: 
         mingw32-make PLATFORM=PLATFORM_ANDROID
 ```
+when compiling,if report "fatal error: 'asm/types.h' file not found ",
+you need copy "asm-generic" and renamed as "asm".
+(the path "D:\Program_Files\android_sdk\ndk\25.0.8775105\toolchains\llvm\prebuilt\windows-x86_64\sysroot\usr\include\asm-generic")
+
 
 **If you have any doubt, [just let me know][raysan5].**