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[WIN32K] Fix protection of USER heap master

Create the section with PAGE_READWRITE, not PAGE_EXECUTE_READWRITE and map in user mode with PAGE_READONLY, not PAGE_EXECUTE_READ. Original commit was ea5261f in 2006. The comments suggest that back then the heap code had issues with it, which is not the case anymore.

Author Timo Kreuzer Date Commit db419efb Parent 9139d0fa
+7 -7
2 changed files