engine: platform: sdl: make GL_CreateContext and GL_DeleteContext functions static

engine/platform/sdl/events.h

@@ -25,8 +25,6 @@ void VID_RestoreScreenResolution( void );
 qboolean  VID_CreateWindow( int width, int height, qboolean fullscreen );
 void      VID_DestroyWindow( void );
 void GL_InitExtensions( void );
-qboolean GL_CreateContext( void );
-qboolean GL_UpdateContext( void );
 qboolean GL_DeleteContext( void );
 void VID_SaveWindowSize( int width, int height );
 

engine/platform/sdl/vid_sdl.c

@@ -491,7 +491,7 @@ qboolean GL_DeleteContext( void )
 GL_CreateContext
 =================
 */
-qboolean GL_CreateContext( void )
+static qboolean GL_CreateContext( void )
 {
 #if SDL_VERSION_ATLEAST(2, 0, 0)
 	if( ( glw_state.context = SDL_GL_CreateContext( host.hWnd ) ) == NULL)
@@ -508,7 +508,7 @@ qboolean GL_CreateContext( void )
 GL_UpdateContext
 =================
 */
-qboolean GL_UpdateContext( void )
+static qboolean GL_UpdateContext( void )
 {
 #if SDL_VERSION_ATLEAST( 2, 0, 0 )
 	if( SDL_GL_MakeCurrent( host.hWnd, glw_state.context ))