ui-ssdiff: fix decl-after-statement warnings

git.git's coding style avoids decl-after-statement and we generally try
to follow it but a few warnings have crept in recently.  Fix the one in
ui-ssdiff.c

Signed-off-by: John Keeping <john@keeping.me.uk>

1 files changed, 2 insertions, 2 deletions

diff --git a/ui-ssdiff.c b/ui-ssdiff.c
index 16c812f..7f261ed 100644
--- a/ui-ssdiff.c
+++ b/ui-ssdiff.c
@@ -92,7 +92,7 @@ static char *longest_common_subsequence(char *A, char *B)
 static int line_from_hunk(char *line, char type)
 {
         char *buf1, *buf2;
-        int len;
+        int len, res;
 
         buf1 = strchr(line, type);
         if (buf1 == NULL)
@@ -105,7 +105,7 @@ static int line_from_hunk(char *line, char type)
         buf2 = xmalloc(len + 1);
         strncpy(buf2, buf1, len);
         buf2[len] = '\0';
-        int res = atoi(buf2);
+        res = atoi(buf2);
         free(buf2);
         return res;
 }