message: Minor variable cleanup.
diff: @@ -487,9 +487,7 @@ int main( int argc, char **argv )
  {
  CIniFile inifile;
  TraceEvents trace_events;
  - SDL_DisplayMode current;
  SDL_Window *window = NULL;
  - SDL_GLContext glcontext = NULL;
  TraceEventWin eventwin0;
  TraceEventWin eventwin1;
  const char *file = ( argc > 1 ) ? argv[ 1 ] : "trace.dat";
  @@ -534,11 +532,13 @@ int main( int argc, char **argv )
  SDL_GL_SetAttribute( SDL_GL_CONTEXT_MAJOR_VERSION, 3 );
  SDL_GL_SetAttribute( SDL_GL_CONTEXT_MINOR_VERSION, 2 );
  + SDL_DisplayMode current;
  SDL_GetCurrentDisplayMode( 0, &current );
  window = SDL_CreateWindow( "GPUVis", x, y, w, h,
  SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE );
  - glcontext = SDL_GL_CreateContext( window );
  +
  + SDL_GLContext glcontext = SDL_GL_CreateContext( window );
  gl3wInit();
  