avoid warning, POSIX says yyless() has an `int' argument

diff --git a/src/scan.l b/src/scan.l
index 59c2c19d39736c2d24249c5c432dc456c6b865a9..cfc832d01852bec960eeb163b727bfa3ce0adda6 100644 (file)
--- a/src/scan.l
+++ b/src/scan.l
@@ -528,8 +528,7 @@ M4QEND      "]]"
                         if (sf_skip_ws()){
                             /* We're in the middle of a (?x: ) pattern. */
                             /* Push back everything starting at the "|" */
-                            size_t amt;
-                            amt = strchr (yytext, '|') - yytext;
+                            int amt = (int) (strchr (yytext, '|') - yytext);
                             yyless(amt);
                         }
                         else {