Bug 1345461 - Adjust vector allocation. r=jrmuizel

--HG--
extra : rebase_source : 952dc8c19548913d77db77f4ad5c2fe036167794

gfx/graphite2/README.mozilla

@@ -1,3 +1,6 @@
 This directory contains the Graphite2 library release 1.3.9 from
 https://github.com/silnrsi/graphite/releases/download/1.3.9/graphite2-minimal-1.3.9.tgz
 See gfx/graphite2/moz-gr-update.sh for update procedure.
+
+Cherry-picked post-1.3.9 commit 1ce331d5548b98ed8b818532b2556d6f2c7a3b83 to fix
+https://bugzilla.mozilla.org/show_bug.cgi?id=1345461.

gfx/graphite2/src/FeatureMap.cpp

@@ -275,7 +275,7 @@ bool FeatureRef::applyValToFeature(uint32 val, Features & pDest) const
     else
       if (pDest.m_pMap!=&m_pFace->theSill().theFeatureMap())
         return false;       //incompatible
-    pDest.reserve(m_index);
+    pDest.reserve(m_index + 1);
     pDest[m_index] &= ~m_mask;
     pDest[m_index] |= (uint32(val) << m_bits);
     return true;