Increment revision number

Author: facchinm

package-avr-gcc.bash

@@ -15,7 +15,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
-OUTPUT_VERSION=4.9.2-arduino3
+OUTPUT_VERSION=4.9.2-arduino4
 
 export OS=`uname -o || uname`
 export TARGET_OS=$OS
@@ -97,4 +97,4 @@ else
   tar -cjvf avr-gcc-${OUTPUT_VERSION}-${OUTPUT_TAG}.tar.bz2 avr
   mv avr objdir
 
-fi
+fi