THRIFT-4656: Fix infinite loop in PHP TCurlClient
THRIFT-4656: Fix infinite loop in PHP TCurlClient

Infinite loop happens when response body is empty and HTTP status is
200. This patch fixes it.

creker/thrift,strava/thrift,jeking3/thrift,strava/thrift,bgould/thrift,apache/thrift,apache/thrift,creker/thrift,dcelasun/thrift,gadLinux/thrift,RobberPhex/thrift,dcelasun/thrift,strava/thrift,strava/thrift,gadLinux/thrift,apache/thrift,bgould/thrift,eamosov/thrift,creker/thrift,gadLinux/thrift,nsuke/thrift,gadLinux/thrift,nsuke/thrift,apache/thrift,Jens-G/thrift,yongju-hong/thrift,eamosov/thrift,bgould/thrift,strava/thrift,jeking3/thrift,jeking3/thrift,RobberPhex/thrift,RobberPhex/thrift,eamosov/thrift,bgould/thrift,strava/thrift,nsuke/thrift,dcelasun/thrift,strava/thrift,strava/thrift,RobberPhex/thrift,eamosov/thrift,eamosov/thrift,gadLinux/thrift,strava/thrift,yongju-hong/thrift,strava/thrift,dcelasun/thrift,creker/thrift,bforbis/thrift,apache/thrift,apache/thrift,bforbis/thrift,bforbis/thrift,bforbis/thrift,apache/thrift,nsuke/thrift,yongju-hong/thrift,yongju-hong/thrift,yongju-hong/thrift,Jens-G/thrift,Jens-G/thrift,Jens-G/thrift,gadLinux/thrift,yongju-hong/thrift,creker/thrift,nsuke/thrift,creker/thrift,nsuke/thrift,eamosov/thrift,RobberPhex/thrift,jeking3/thrift,gadLinux/thrift,RobberPhex/thrift,RobberPhex/thrift,nsuke/thrift,nsuke/thrift,bgould/thrift,dcelasun/thrift,jeking3/thrift,RobberPhex/thrift,eamosov/thrift,Jens-G/thrift,apache/thrift,jeking3/thrift,eamosov/thrift,Jens-G/thrift,dcelasun/thrift,Jens-G/thrift,bgould/thrift,strava/thrift,yongju-hong/thrift,bforbis/thrift,Jens-G/thrift,apache/thrift,bgould/thrift,Jens-G/thrift,yongju-hong/thrift,yongju-hong/thrift,strava/thrift,gadLinux/thrift,bgould/thrift,dcelasun/thrift,nsuke/thrift,eamosov/thrift,RobberPhex/thrift,yongju-hong/thrift,eamosov/thrift,apache/thrift,bforbis/thrift,bforbis/thrift,dcelasun/thrift,apache/thrift,dcelasun/thrift,apache/thrift,gadLinux/thrift,Jens-G/thrift,nsuke/thrift,bgould/thrift,bforbis/thrift,nsuke/thrift,yongju-hong/thrift,dcelasun/thrift,bgould/thrift,strava/thrift,bforbis/thrift,jeking3/thrift,yongju-hong/thrift,eamosov/thrift,RobberPhex/thrift,nsuke/thrift,RobberPhex/thrift,creker/thrift,strava/thrift,strava/thrift,dcelasun/thrift,bforbis/thrift,gadLinux/thrift,RobberPhex/thrift,creker/thrift,nsuke/thrift,creker/thrift,nsuke/thrift,bforbis/thrift,bgould/thrift,yongju-hong/thrift,jeking3/thrift,yongju-hong/thrift,Jens-G/thrift,eamosov/thrift,bgould/thrift,apache/thrift,apache/thrift,apache/thrift,RobberPhex/thrift,gadLinux/thrift,yongju-hong/thrift,dcelasun/thrift,Jens-G/thrift,Jens-G/thrift,bgould/thrift,jeking3/thrift,RobberPhex/thrift,jeking3/thrift,Jens-G/thrift,bforbis/thrift,bforbis/thrift,bforbis/thrift,gadLinux/thrift,jeking3/thrift,nsuke/thrift,RobberPhex/thrift,Jens-G/thrift,gadLinux/thrift,strava/thrift,dcelasun/thrift,apache/thrift,jeking3/thrift,dcelasun/thrift,jeking3/thrift,eamosov/thrift,dcelasun/thrift,yongju-hong/thrift,creker/thrift,gadLinux/thrift,gadLinux/thrift,nsuke/thrift,creker/thrift,bforbis/thrift,eamosov/thrift,jeking3/thrift,creker/thrift,gadLinux/thrift,apache/thrift,dcelasun/thrift,yongju-hong/thrift,nsuke/thrift,jeking3/thrift,bgould/thrift,apache/thrift,RobberPhex/thrift,eamosov/thrift,bforbis/thrift,Jens-G/thrift,gadLinux/thrift,Jens-G/thrift,creker/thrift,bforbis/thrift,Jens-G/thrift,bgould/thrift,RobberPhex/thrift,jeking3/thrift,eamosov/thrift,strava/thrift,creker/thrift,dcelasun/thrift