clean some dirt

tools/Makefile

@@ -26,8 +26,8 @@ fimg2pnm:	fimg2pnm.c  $(DEPS)
 fimg2png:	fimg2png.c  $(DEPS)
 	gcc $(COPT) $< ../libfloatimg.a -o $@ 
 
-# addtga2fimg:	addtga2fimg.c  $(DEPS)
-#	gcc $(COPT) $< ../libfloatimg.a -limageSO -lm -o $@
+addtga2fimg:	addtga2fimg.c  $(DEPS)
+	gcc $(COPT) $< ../libfloatimg.a -limageSO -lm -o $@
 
 addpnm2fimg:	addpnm2fimg.c  $(DEPS)
 	gcc $(COPT) $< ../libfloatimg.a -lm -o $@

tools/addtga2fimg.c

@@ -67,8 +67,8 @@ if (foo) {
 	exit(1);
 	}
 
-if ( 0==access(argv[2], R_OK|W_OK) ) {		/* fimg is readable */
-	// fprintf(stderr, "%s exist\n", argv[2]);
+if ( 0==access(argv[2], R_OK) ) {		/* fimg is readable */
+	fprintf(stderr, "%s is ok.\n", argv[2]);
 	}
 else	{
 	fprintf(stderr, "*** must create '%s' %dx%d first !!!\n",