make install a little smarter about finding the include_path

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@15192 d0543943-73ff-0310-b7d9-9358b9ac24b2

libs/esl/php/Makefile

@@ -26,5 +26,5 @@ reswig:	swigclean esl_wrap.cpp
 
 install: ESL.so
 	cp ESL.so $(shell php-config --extension-dir)
-	cp ESL.php $(shell php -r 'phpinfo();' | grep include_path | cut -d: -f2)
+	cp ESL.php $(shell php -r 'echo ini_get("include_path");' | cut -d: -f2)
 	echo 'extension=ESL.so' > $(shell php-config --configure-options | tr " " "\n" | grep -- --with-config-file-scan-dir | cut -f2 -d=)/esl.ini