Signatures: change param count from IV to UV

For some reason I was storing the counts of sub signature parameters and
optional parameters as signed ints. Since these can never be negative,
change them to UV instead.

1 files changed, 2 insertions, 2 deletions

diff --git a/parser.h b/parser.h
index 19c5c63ad3..4fa490a190 100644
--- a/parser.h
+++ b/parser.h
@@ -114,8 +114,8 @@ typedef struct yy_parser {
 
     bool        sig_seen;       /* the currently parsing sub has a signature */
     /* these are valid while parsing a subroutine signature */
-    IV          sig_elems;      /* number of signature elements seen so far */
-    IV          sig_optelems;   /* number of optional signature elems seen */
+    UV          sig_elems;      /* number of signature elements seen so far */
+    UV          sig_optelems;   /* number of optional signature elems seen */
     char        sig_slurpy;     /* the sigil of the slurpy var (or null) */
 
     bool        recheck_utf8_validity;