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

commit f9e7dc80702317cf5b9c764eeec89e2cbde8c982
parent 44b20f341443cf3daffbe2b092df28df522cad86
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Sun, 16 Apr 2017 20:59:23 +0200

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

... whoops

Diffstat:
M stagit.c  | 4 ++--

1 file changed, 2 insertions(+), 2 deletions(-)
diff --git 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++;