Bunch of comment fixes

code/renderergl1/tr_bsp.c

@@ -1550,7 +1550,7 @@ static	void R_LoadFogs( lump_t *l, lump_t *brushesLump, lump_t *sidesLump ) {
 	}
 	count = l->filelen / sizeof(*fogs);
 
-	// create fog strucutres for them
+	// create fog structures for them
 	s_worldData.numfogs = count + 1;
 	s_worldData.fogs = ri.Hunk_Alloc ( s_worldData.numfogs*sizeof(*out), h_low);
 	out = s_worldData.fogs + 1;