stagefright aacenc: Simplify the definition of __inline

This reduces the amount of ifdefs needed, into something that
works on both gcc and MSVC. This removes one occurrance of the
LINUX ifdef, simplifying compiling on various platforms.

Change-Id: I1e2af6c2517410dc280197ba922df877cf7afbd5

Author: mstorsjo

media/libstagefright/codecs/aacenc/basic_op/typedefs.h

@@ -48,9 +48,7 @@
 #define assert(_Expression)     ((void)0)
 #endif
 
-#ifdef LINUX
-#define __inline static __inline__
-#endif
+#define __inline static __inline
 
 #define INT_BITS   32
 /*