Strip extension off all package compression types

Since we were searching for '.pkg.tar.gz' before, we now have started to
show extensions during the download when we have a '.pkg.tar.xz' package.
Just look for '.pkg.tar.' (or '.db.tar.') instead and suppress anything
found from that point on.

Signed-off-by: Dan McGee <dan@archlinux.org>

src/pacman/callback.c

@@ -570,7 +570,7 @@ void cb_dl_progress(const char *filename, off_t file_xfered, off_t file_total)
 
 	fname = strdup(filename);
 	/* strip package or DB extension for cleaner look */
-	if((p = strstr(fname, PKGEXT)) || (p = strstr(fname, DBEXT))) {
+	if((p = strstr(fname, ".pkg.tar.")) || (p = strstr(fname, ".db.tar."))) {
 			*p = '\0';
 	}
 	/* In order to deal with characters from all locales, we have to worry