writeblobhtml: fix possible uninitialized variable n when len == 0

... whoops

diff --git a/stagit.c b/stagit.c
index 09f3df73bdd015f4ec61f232877fe598af2f54ad..f438a02292f31ad8badeb9e790a972fe2d817adb 100644 (file)
--- a/stagit.c
+++ b/stagit.c
@@ -378,7 +378,7 @@ writefooter(FILE *fp)
 int
 writeblobhtml(FILE *fp, const git_blob *blob)
 {
-       size_t n, i, prev;
+       size_t n = 0, i, prev;
        const char *nfmt = "<a href=\"#l%d\" class=\"line\" id=\"l%d\">%6d</a> ";
        const char *s = git_blob_rawcontent(blob);
        git_off_t len = git_blob_rawsize(blob);
@@ -386,7 +386,7 @@ writeblobhtml(FILE *fp, const git_blob *blob)
        fputs("<pre id=\"blob\">\n", fp);
 
        if (len > 0) {
-               for (i = 0, prev = 0, n = 0; i < (size_t)len; i++) {
+               for (i = 0, prev = 0; i < (size_t)len; i++) {
                        if (s[i] != '\n')
                                continue;
                        n++;