rename trap_Printf() to trap_Print() in the game module, as that function has nothing to do with printf()-like formatting

From /dev/humancontroller.

code/game/g_syscalls.c

@@ -41,13 +41,13 @@ int PASSFLOAT( float x ) {
 	return fi.i;
 }
 
-void	trap_Printf( const char *fmt ) {
-	syscall( G_PRINT, fmt );
+void	trap_Print( const char *text ) {
+	syscall( G_PRINT, text );
 }
 
-void trap_Error(const char *fmt)
+void trap_Error( const char *text )
 {
-	syscall(G_ERROR, fmt);
+	syscall( G_ERROR, text );
 	// shut up GCC warning about returning functions, because we know better
 	exit(1);
 }