Update setLib.sh

`uname -p` changed to `uname -m`

Author: leongor

com.ibm.streamsx.regex/impl/bin/setLib.sh

@@ -1,5 +1,5 @@
 #! /bin/bash
 
 if [ "$1" = "lib" ]; then 
-	echo "re2.`uname -p`";
+	echo "re2.`uname -m`";
 fi