Fix more issues with Win32 EOL

Signed-off-by: Vicent Marti <tanoku@gmail.com>

src/refs.c

@@ -95,7 +95,7 @@ int git_reference_new(git_reference **ref_out, git_repository *repo)
 
 static int parse_sym_ref(git_reference *ref, gitfo_buf *file_content)
 {
-	const int header_len = strlen(GIT_SYMREF);
+	const unsigned int header_len = strlen(GIT_SYMREF);
 	const char *refname_start;
 	char *eol;
 
@@ -318,10 +318,6 @@ static int parse_packed_line(
 		goto cleanup;
 	}
 
-	/* windows line feeds */
-	if (refname_end[-1] == '\r')
-		refname_end--;
-
 	refname_len = refname_end - refname_begin;
 
 	ref->name = git__malloc(refname_len + 1);
@@ -333,6 +329,9 @@ static int parse_packed_line(
 	memcpy(ref->name, refname_begin, refname_len);
 	ref->name[refname_len] = 0;
 
+	if (ref->name[refname_len - 1] == '\r')
+		ref->name[refname_len - 1] = 0;
+
 	ref->type = GIT_REF_OID;
 	ref->packed = 1;
 
@@ -368,6 +367,14 @@ static int parse_packed_refs(git_refcache *ref_cache, git_repository *repo)
 	/* Let's skip the header */
 	buffer_start += strlen(GIT_PACKEDREFS_HEADER);
 
+	if (*buffer_start == '\r')
+		buffer_start++;
+
+	if (*buffer_start != '\n')
+		return GIT_EPACKEDREFSCORRUPTED;
+
+	buffer_start++;
+
 	while (buffer_start < buffer_end) {
 
 		git_reference *ref = NULL;

src/refs.h

@@ -11,7 +11,7 @@
 
 #define GIT_SYMREF "ref: "
 #define GIT_PACKEDREFS_FILE "packed-refs"
-#define GIT_PACKEDREFS_HEADER "# pack-refs with: peeled \n"
+#define GIT_PACKEDREFS_HEADER "# pack-refs with: peeled "
 #define MAX_GITDIR_TREE_STRUCTURE_PATH_LENGTH 100
 
 struct git_reference {