ndk-patches: avoid free()'ing pointer which is still in use

ndk-patches/stdio.h.patch

@@ -1,6 +1,6 @@
-diff -u -r /home/fornwall/lib/android-ndk/sysroot/usr/include/stdio.h ./usr/include/stdio.h
+diff -uNr ./usr.old/include/stdio.h ./usr/include/stdio.h
---- /home/fornwall/lib/android-ndk/sysroot/usr/include/stdio.h  2017-11-09 09:57:12.000000000 +0100
+--- ./usr.old/include/stdio.h	2019-05-22 12:49:28.000000000 +0300
-+++ ./usr/include/stdio.h   2017-11-15 11:57:58.567432093 +0100
++++ ./usr/include/stdio.h	2019-12-13 21:50:02.765565736 +0200
 @@ -44,11 +44,12 @@
  #include <stdarg.h>
  #include <stddef.h>
@@ -53,7 +53,7 @@ diff -u -r /home/fornwall/lib/android-ndk/sysroot/usr/include/stdio.h ./usr/incl
  
  FILE* fdopen(int __fd, const char* __mode);
  int fileno(FILE* __fp);
-@@ -328,6 +332,29 @@
+@@ -328,6 +332,30 @@
  #include <bits/fortify/stdio.h>
  #endif
  
@@ -70,12 +70,13 @@ diff -u -r /home/fornwall/lib/android-ndk/sysroot/usr/include/stdio.h ./usr/incl
 +		unsigned int r = arc4random();
 +		if (asprintf(&path, "@TERMUX_PREFIX@/tmp/tmpfile.%d-%u", p, r) == -1) return NULL;
 +		int fd = open(path, O_RDWR | O_CREAT | O_EXCL | O_LARGEFILE, 0600);
-+		free(path);
 +		if (fd >= 0) {
 +			FILE* result = fdopen(fd, "w+");
 +			unlink(path);
++			free(path);
 +			return result;
 +		}
++		free(path);
 +	}
 +	return NULL;
 +}