dtappbuilder: remove register keyword

cde/programs/dtappbuilder/src/libABil/abuil_resource_attr_map.c

@@ -3168,7 +3168,7 @@ abuilP_store_attr_in_abobj(
 	AB_OBJECT_TYPE	ab_type = obj_get_type(obj);
 	unsigned long	obj_mask = BMASK(ab_type);
 	AttrMap		*maps = match->attr_maps;
-	register int	i;
+	int	i;
 
 	/* REMIND: fprintf(stderr,"Searching matched maps\n"); */
 	for (i = 0; i < match->num_maps; i++)

cde/programs/dtappbuilder/src/libABil/abuil_widget_obj_map.c

@@ -278,7 +278,7 @@ abuilP_entry_for_uil_widget(
 
     if (b_type > sym_k_error_object)
     {
-	register int	i;
+	int	i;
 	STRING		widget_class_name = uil_widget_names[b_type];
 
 	for (i = 0; i < XtNumber(widget_abobj_map); i++)

cde/programs/dtappbuilder/src/libABil/bil.c

@@ -1720,8 +1720,8 @@ BIL_TOKEN
 bilP_string_to_token(STRING strToken)
 {
     ISTRING             istrToken = istr_create(strToken);
-    register long	midDiff;
-    register long	midIndex; 
+    long	midDiff;
+    long	midIndex;
     long		minIndex, maxIndex;
     bil_token_table_check_init();
 

cde/programs/dtappbuilder/src/libABil/bil_lexer.c

@@ -120,7 +120,7 @@ AByylex(void)
 static int
 get_token(FILE *file)
 {
-    register int		c;	/* static for speed */
+    int		c;	/* static for speed */
     
     while (TRUE)
     {