Regular expression for ret in PNRegularExpressions no longer works, the...

Regular expression for ret in PNRegularExpressions no longer works, the pattern now matches for ret followed by any number of blank lines. ret must be the fist entry on the line. 


Former-commit-id: 06403e51e60a39e82ec6ed5e44ea4253680e2ac5

tools/transforms/PNRegularExpressions.cpp

@@ -16,7 +16,7 @@ PNRegularExpressions::PNRegularExpressions()
 	exit(1);
     }
 
-    if (regcomp(&regex_ret, "^ret$", REG_EXTENDED | REG_ICASE) != 0)
+    if (regcomp(&regex_ret, "^ret[[:blank:]]*$", REG_EXTENDED | REG_ICASE) != 0)
     {
 	fprintf(stderr,"Error: regular expression for ret failed to compile\n");
 	exit(1);