Move ordering of make after cd in runtests.sh

Jenkins called make from a different folder and didn't find
the makefile. It's moved now after the cd directive

refs #4258

test/php/runtests.sh

@@ -6,10 +6,6 @@ SCRIPTNAME=$(readlink -f $0)
 DIR=$(dirname $SCRIPTNAME)
 PHPUNIT=$(which phpunit)
 
-if [[ ! -x ./bin/extcmd_test ]]; then
-    make
-fi;
-
 if [[ ! -x $PHPUNIT ]]; then
     echo "PHPUnit not found!"
     exit 1
@@ -20,6 +16,11 @@ mkdir -p $DIR/../../build/log
 
 cd $DIR
 
+if [[ ! -x ./bin/extcmd_test ]]; then
+    make
+fi;
+
+
 $PHPUNIT "$@" 
 
 exit 0