Fix MDEV-12631 valgrind warning for zipped tables

 modified: storage/connect/filamzip.cpp

Author: Buggynours

storage/connect/filamzip.cpp

@@ -1,7 +1,7 @@
 /*********** File AM Zip C++ Program Source Code File (.CPP) ***********/
 /* PROGRAM NAME: FILAMZIP */
 /* ------------- */
-/* Version 1.1 */
+/* Version 1.2 */
 /* */
 /* COPYRIGHT: */
 /* ---------- */
@@ -652,12 +652,18 @@ bool UNZIPUTL::openEntry(PGLOBAL g)
 }// endif rc
 
 size = finfo.uncompressed_size;
-memory = new char[size + 1];
+
+try {
+memory = new char[size + 1];
+} catch (...) {
+strcpy(g->Message, "Out of memory");
+return true;
+} // end try/catch
 
 if ((rc = unzReadCurrentFile(zipfile, memory, size)) < 0) {
 sprintf(g->Message, "unzReadCurrentFile rc = %d", rc);
 unzCloseCurrentFile(zipfile);
-free(memory);
+delete[] memory;
 memory = NULL;
 entryopen = false;
 } else {
@@ -682,7 +688,7 @@ void UNZIPUTL::closeEntry()
 }// endif entryopen
 
 if (memory) {
-free(memory);
+delete[] memory;
 memory = NULL;
 }// endif memory