Add an explicit type conversion in an AWK script to work around
bugs in cygwin.  Ticket #2713. (CVS 4485)

FossilOrigin-Name: 043cee2fd9319f24bb5c70d6619bfe8f8e2e3b91
diff --git a/mkopcodeh.awk b/mkopcodeh.awk
index c0874b1..53dab1e 100644
--- a/mkopcodeh.awk
+++ b/mkopcodeh.awk
@@ -41,7 +41,7 @@
 
 # Remember the TK_ values from the parse.h file
 /^#define TK_/ {
-  tk[$2] = $3
+  tk[$2] = 0+$3
 }
 
 # Scan for "case OP_aaaa:" lines in the vdbe.c file