Fix underflwo in memoryToFree found by Fabio
author Albert Astals Cid
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committer Albert Astals Cid
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commit 54b3cfb102d1198001d71b024039b24c0c166bfa
tree eaa4235f982c10f4d00d76a2a16ccbf68f19dc91
parent aeb20f56160a2b229bed9cf2db9d5b43d6dac993
Fix underflwo in memoryToFree found by Fabio
(cherry picked from commit fb5a1783111070c6bd62a00f50f0efc9c919d241)
core/document.cpp