Patch stdlib.h to have MB_CUR_MAX=4

We always want to use utf-8 so let's try this.

ndk_patches/stdlib.h.patch

@@ -0,0 +1,14 @@
+diff -u -r /home/fornwall/lib/android-ndk/platforms/android-21/arch-arm64/usr/include/stdlib.h ./usr/include/stdlib.h
+--- /home/fornwall/lib/android-ndk/platforms/android-21/arch-arm64/usr/include/stdlib.h	2016-03-03 16:54:24.000000000 -0500
++++ ./usr/include/stdlib.h	2016-03-22 16:38:58.589340159 -0400
+@@ -161,8 +161,8 @@
+ extern int	wctomb(char *, wchar_t);
+ extern size_t	wcstombs(char *, const wchar_t *, size_t);
+ 
+-extern size_t __ctype_get_mb_cur_max(void);
+-#define MB_CUR_MAX __ctype_get_mb_cur_max()
++/* Termux modification: Always utf-8. */
++#define MB_CUR_MAX 4
+ 
+ __END_DECLS
+ 

packages/libandroid-support/stdlib.h.patch

@@ -1,19 +0,0 @@
-From MB_CUR_MAX(3): "The MB_CUR_MAX macro defines an integer expression giving the maximum number of
-bytes needed to represent a single wide character in the current locale.  It is locale dependent and
-therefore not a compile-time constant."
-
-Since libandroid-support.so supports multibyte characters we override the platform value of 1.
-
-diff -N -u -r /home/fornwall/lib/android-ndk/sources/android/support/include/stdlib.h ./include/stdlib.h
---- /home/fornwall/lib/android-ndk/sources/android/support/include/stdlib.h	2014-10-15 21:46:32.000000000 -0400
-+++ ./include/stdlib.h	2014-11-27 10:48:54.634215480 -0500
-@@ -36,6 +36,9 @@
- 
- #include <xlocale.h>
- 
-+#undef MB_CUR_MAX
-+#define MB_CUR_MAX 4
-+
- #ifdef __cplusplus
- extern "C" {
- #endif