ndk_patches: Use __inline__ for custom functions

This avoids warnings due to unused functions when building.

ndk_patches/stdio.h.patch

@@ -37,7 +37,7 @@ diff -u -r /home/fornwall/lib/android-ndk/platforms/android-21/arch-arm/usr/incl
 +#define __sferror(p)    (((p)->_flags & __SERR) != 0)
 +
 +/* Used by perl, fish, and others */
-+static char* ctermid(char* s) {
++static __inline__ char* ctermid(char* s) {
 +    if (s == 0) return (char*) "/dev/tty";
 +    strcpy(s, "/dev/tty");
 +    return s;
@@ -55,7 +55,7 @@ diff -u -r /home/fornwall/lib/android-ndk/platforms/android-21/arch-arm/usr/incl
 +extern int open(const char*, int, ...);
 +extern pid_t getpid();
 +extern int unlink(const char*);
-+static FILE* tmpfile() {
++static __inline__ FILE* tmpfile() {
 +	int p = getpid();
 +	char* path;
 +	int i;

ndk_patches/syslog.patch

@@ -15,14 +15,14 @@ diff -Nur /Users/fornwall/lib/android-ndk/platforms/android-18/arch-arm/usr/incl
  extern void	vsyslog_r(int, struct syslog_data *, const char *, va_list);
  
 +extern /*const*/ char* __progname;
-+static void android_polyfill_openlog(const char* a, int b, int c) {
++static __inline__ void android_polyfill_openlog(const char* a, int b, int c) {
 +	(void) a;
 +	(void) b;
 +	(void) c;
 +}
-+static void android_polyfill_closelog() {}
++static __inline__ void android_polyfill_closelog() {}
 +
-+static void android_polyfill_vsyslog(int syslog_priority, char const* format, va_list ap)
++static __inline__ void android_polyfill_vsyslog(int syslog_priority, char const* format, va_list ap)
 +{
 +	android_LogPriority a = ANDROID_LOG_FATAL;
 +	switch (syslog_priority) {
@@ -41,7 +41,7 @@ diff -Nur /Users/fornwall/lib/android-ndk/platforms/android-18/arch-arm/usr/incl
 +	free(syslog_text);
 +}
 +
-+static void android_polyfill_syslog(int priority, const char* format, ...)
++static __inline__ void android_polyfill_syslog(int priority, const char* format, ...)
 +{
 +	va_list myargs;
 +	va_start(myargs, format);
@@ -49,7 +49,7 @@ diff -Nur /Users/fornwall/lib/android-ndk/platforms/android-18/arch-arm/usr/incl
 +	va_end(myargs);
 +}
 +
-+static void android_polyfill_syslog_r(int syslog_priority, struct syslog_data* d, const char* format, ...)
++static __inline__ void android_polyfill_syslog_r(int syslog_priority, void* d, const char* format, ...)
 +{
 +	(void) d;
 +	va_list myargs;
@@ -58,7 +58,7 @@ diff -Nur /Users/fornwall/lib/android-ndk/platforms/android-18/arch-arm/usr/incl
 +	va_end(myargs);
 +}
 +
-+static void android_polyfill_vsyslog_r(int syslog_priority, struct syslog_data* d, const char* fmt, va_list ap)
++static __inline__ void android_polyfill_vsyslog_r(int syslog_priority, void* d, const char* fmt, va_list ap)
 +{
 +	(void) d;
 +	android_polyfill_vsyslog(syslog_priority, fmt, ap);