DEBUG_ProcessDBGFile: allocate MSC_DBG_INFO before writing to members

debugger/msc.c

@@ -3107,6 +3107,7 @@ DEBUG_ProcessDBGFile(DBG_MODULE* module, const char* filename)
 		   * COFF stuff embedded within the DBG file.
 		   */
 		  memset((char *) &module2, 0, sizeof(module2));
+		  module2.extra_info = DBG_alloc(sizeof(MSC_DBG_INFO));
 		  MSC_INFO(&module2)->dbg_info = (addr + dbghdr->PointerToRawData);
 		  MSC_INFO(&module2)->dbg_size = dbghdr->SizeOfData;
 		  module2.load_addr = module->load_addr;