Minor fixes for ignorecase support

src/attr_file.c

@@ -60,6 +60,8 @@ int git_attr_file__parse_buffer(
 	char *context = NULL;
 	git_attr_rule *rule = NULL;
 
+	GIT_UNUSED(parsedata);
+
 	assert(buffer && attrs);
 
 	scan = buffer;

src/diff.c

@@ -714,7 +714,7 @@ static int diff_from_iterators(
 		 * (or ADDED and DELETED pair if type changed)
 		 */
 		else {
-			assert(oitem && nitem && entry_compare(oitem->path, nitem->path) == 0);
+			assert(oitem && nitem && entry_compare(oitem, nitem) == 0);
 
 			if (maybe_modified(old_iter, oitem, new_iter, nitem, diff) < 0 ||
 				git_iterator_advance(old_iter, &oitem) < 0 ||

src/iterator.h

@@ -11,7 +11,7 @@
 #include "git2/index.h"
 #include "vector.h"
 
-#define ITERATOR_PREFIXCMP(ITER, STR, PREFIX)	(((ITER) ## .ignore_case) ? \
+#define ITERATOR_PREFIXCMP(ITER, STR, PREFIX)	(((ITER).ignore_case) ? \
 	git__prefixcmp_icase((STR), (PREFIX)) : \
 	git__prefixcmp((STR), (PREFIX)))