fgetc() returns int, not char; fixes -Werror build on armv7
diff --git a/libexec/got-read-patch/got-read-patch.c b/libexec/got-read-patch/got-read-patch.c
index c55af97..7187368 100644
--- a/libexec/got-read-patch/got-read-patch.c
+++ b/libexec/got-read-patch/got-read-patch.c
@@ -311,7 +311,7 @@ static const struct got_error *
peek_special_line(FILE *fp, int send)
{
const struct got_error *err;
- char ch;
+ int ch;
ch = fgetc(fp);
if (ch != EOF && ch != '\\') {