work around broken php-config that only takes one option at a time

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@12793 d0543943-73ff-0310-b7d9-9358b9ac24b2

libs/esl/php/Makefile

 LOCAL_CFLAGS=$(shell php-config --includes)
-LOCAL_LDFLAGS=$(shell php-config --ldflags --libs)
+PHP_LDFLAGS=$(shell php-config --ldflags)
+PHP_LIBS=$(shell php-config --libs)
+LOCAL_LDFLAGS=$(PHP_LDFLAGS) $(PHP_LIBS)
 WRAP_GCC_WARNING_SILENCE=-Wno-unused-label -Wno-unused-function
 
 all: ESL.so