Updated source to match SDL function prototype style

src/thread/generic/SDL_syscond.c

@@ -50,8 +50,7 @@ typedef struct SDL_cond_generic
 } SDL_cond_generic;
 
 /* Create a condition variable */
-SDL_Condition *
-SDL_CreateCondition_generic(void)
+SDL_Condition *SDL_CreateCondition_generic(void)
 {
     SDL_cond_generic *cond;
 

src/thread/generic/SDL_sysmutex.c

@@ -32,8 +32,7 @@ struct SDL_Mutex
 };
 
 /* Create a mutex */
-SDL_Mutex *
-SDL_CreateMutex(void)
+SDL_Mutex *SDL_CreateMutex(void)
 {
     SDL_Mutex *mutex;
 

src/thread/generic/SDL_syssem.c

@@ -26,8 +26,7 @@
 
 #ifdef SDL_THREADS_DISABLED
 
-SDL_Semaphore *
-SDL_CreateSemaphore(Uint32 initial_value)
+SDL_Semaphore *SDL_CreateSemaphore(Uint32 initial_value)
 {
     SDL_SetError("SDL not built with thread support");
     return (SDL_Semaphore *)0;
@@ -62,8 +61,7 @@ struct SDL_Semaphore
     SDL_Condition *count_nonzero;
 };
 
-SDL_Semaphore *
-SDL_CreateSemaphore(Uint32 initial_value)
+SDL_Semaphore *SDL_CreateSemaphore(Uint32 initial_value)
 {
     SDL_Semaphore *sem;
 

src/thread/generic/SDL_systhread.c

@@ -40,8 +40,7 @@ void SDL_SYS_SetupThread(const char *name)
     return;
 }
 
-SDL_threadID
-SDL_ThreadID(void)
+SDL_threadID SDL_ThreadID(void)
 {
     return 0;
 }

src/thread/generic/SDL_systls.c

@@ -22,8 +22,7 @@
 #include "SDL_internal.h"
 #include "../SDL_thread_c.h"
 
-SDL_TLSData *
-SDL_SYS_GetTLSData(void)
+SDL_TLSData *SDL_SYS_GetTLSData(void)
 {
     return SDL_Generic_GetTLSData();
 }