Updated source to match SDL function prototype style

src/thread/pthread/SDL_syscond.c

@@ -34,8 +34,7 @@ struct SDL_Condition
 };
 
 /* Create a condition variable */
-SDL_Condition *
-SDL_CreateCondition(void)
+SDL_Condition *SDL_CreateCondition(void)
 {
     SDL_Condition *cond;
 

src/thread/pthread/SDL_sysmutex.c

@@ -25,8 +25,7 @@
 
 #include "SDL_sysmutex_c.h"
 
-SDL_Mutex *
-SDL_CreateMutex(void)
+SDL_Mutex *SDL_CreateMutex(void)
 {
     SDL_Mutex *mutex;
     pthread_mutexattr_t attr;

src/thread/pthread/SDL_sysrwlock.c

@@ -29,8 +29,7 @@ struct SDL_RWLock
 };
 
 
-SDL_RWLock *
-SDL_CreateRWLock(void)
+SDL_RWLock *SDL_CreateRWLock(void)
 {
     SDL_RWLock *rwlock;
 

src/thread/pthread/SDL_syssem.c

@@ -39,8 +39,7 @@ struct SDL_Semaphore
 };
 
 /* Create a semaphore, initialized with value */
-SDL_Semaphore *
-SDL_CreateSemaphore(Uint32 initial_value)
+SDL_Semaphore *SDL_CreateSemaphore(Uint32 initial_value)
 {
     SDL_Semaphore *sem = (SDL_Semaphore *)SDL_malloc(sizeof(SDL_Semaphore));
     if (sem != NULL) {

src/thread/pthread/SDL_systhread.c

@@ -168,8 +168,7 @@ void SDL_SYS_SetupThread(const char *name)
 #endif
 }
 
-SDL_threadID
-SDL_ThreadID(void)
+SDL_threadID SDL_ThreadID(void)
 {
     return (SDL_threadID)pthread_self();
 }

src/thread/pthread/SDL_systls.c

@@ -29,8 +29,7 @@
 static pthread_key_t thread_local_storage = INVALID_PTHREAD_KEY;
 static SDL_bool generic_local_storage = SDL_FALSE;
 
-SDL_TLSData *
-SDL_SYS_GetTLSData(void)
+SDL_TLSData *SDL_SYS_GetTLSData(void)
 {
     if (thread_local_storage == INVALID_PTHREAD_KEY && !generic_local_storage) {
         static SDL_SpinLock lock;