udbParseLib.awk: comment out some uneeded commands that cause warnings now

cde/admin/IntegTools/dbTools/udbParseLib.awk

@@ -350,9 +350,10 @@ function tokenize() {
         # allow escaping of significant syntax characters
         #
         gsub("[\\][{]","{")
-        gsub("\\:",":")
+        # These cause warnings in newer nawk, and aren't really necessary.
-        gsub("\\;",";")
+        #        gsub("\\:",":")
-        gsub("\\=","=")
+        #        gsub("\\;",";")
+        #        gsub("\=","=")
         gsub("[\\][}]","}")
 
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