Merge pull request #113 from Vikcoc/theor-mem-leak

* Vikcoc/theor-mem-leak:
  ZIP.cpp move check between asignment and first use

Author: davvid

src/lib/io/ZIP.cpp

@@ -520,9 +520,9 @@ Find_And_Read_Central_Header()
     unsigned int read_size_before_comment=22;
     std::streamoff read_start=max_comment_size+read_size_before_comment;
     if(read_start>end_position) read_start=end_position;
+    if(read_start<=0){std::cerr<<"ZIP: Invalid read buffer size"<<std::endl;return false;}
     istream.seekg(end_position-read_start);
     char *buf=new char[static_cast<unsigned int>(read_start)];
-    if(read_start<=0){std::cerr<<"ZIP: Invalid read buffer size"<<std::endl;return false;}
     istream.read(buf,read_start);
     int found=-1;
     for(unsigned int i=0;i<read_start-3;i++){