delete[] resultBuffer before return, which fix potential memory leak if compression/decompression wasn't succesfull

Author: w0lek

vpr/src/server/zlibutils.cpp

@@ -30,14 +30,14 @@ std::string tryCompress(const std::string& decompressed)
         }
     } while (retCode == Z_OK);
 
+    delete[] resultBuffer;
+
     deflateEnd(&zs);
 
     if (retCode != Z_STREAM_END) {
         return "";
     }
 
-    delete[] resultBuffer;
-
     return result;
 }
 
@@ -69,14 +69,14 @@ std::string tryDecompress(const std::string& compressed)
 
     } while (retCode == Z_OK);
 
+    delete[] resultBuffer;
+
     inflateEnd(&zs);
 
     if (retCode != Z_STREAM_END) {
         return "";
     }
 
-    delete[] resultBuffer;
-
     return result;
 }