libandroid-support: Remove C++-style comments

packages/libandroid-support/iconv.h.patch

@@ -1,6 +1,6 @@
 diff -u -r /home/fornwall/lib/android-ndk/sources/android/support/include/iconv.h ./include/iconv.h
---- /home/fornwall/lib/android-ndk/sources/android/support/include/iconv.h	2014-06-03 13:15:33.000000000 -0400
-+++ ./include/iconv.h	2016-01-03 21:17:16.472527767 -0500
+--- /home/fornwall/lib/android-ndk/sources/android/support/include/iconv.h	2016-03-03 16:54:04.000000000 -0500
++++ ./include/iconv.h	2016-05-25 16:15:29.543192668 -0400
 @@ -28,8 +28,6 @@
  #ifndef NDK_ANDROID_SUPPORT_ICONV_H
  #define NDK_ANDROID_SUPPORT_ICONV_H
@@ -10,10 +10,15 @@ diff -u -r /home/fornwall/lib/android-ndk/sources/android/support/include/iconv.
  #ifdef __cplusplus
  extern "C" {
  #endif
-@@ -46,6 +44,4 @@
- }  // extern "C"
+@@ -43,9 +41,7 @@
+ int     iconv_close(iconv_t);
+ 
+ #ifdef __cplusplus
+-}  // extern "C"
++}
  #endif
  
 -#endif // !__LP64__
 -
- #endif  // NDK_ANDROID_SUPPORT_ICONV_H
+-#endif  // NDK_ANDROID_SUPPORT_ICONV_H
++#endif