Fix missing free() calls for miniz allocations

renderdoc/android/android_patch.cpp

@@ -105,6 +105,7 @@ bool ExtractAndRemoveManifest(const rdcstr &apk, bytebuf &manifest)
         RDCLOG("Got manifest of %zu bytes", sz);
 
         manifest = bytebuf(buf, sz);
+        free(buf);
         break;
       }
     }

renderdoc/serialise/codecs/xml_codec.cpp

@@ -1000,6 +1000,8 @@ static bool ZIP2Buffers(const rdcstr &filename, ThumbTypeAndData &thumb, ThumbTy
         }
       }
 
+      free(buf);
+
       if(progress)
         progress(BufferProgress(float(i) / float(numfiles)));
     }