Rare segfault in Text::drawImplementationSinglePass fixed: _textureGl…#1148

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valid-ptr wants to merge 1 commit intoopenscenegraph:OpenSceneGraph-3.6from eligovision:OpenSceneGraph-3.6_textfixandimprove

+52-41

Commits on Jun 17, 2022

Rare segfault in Text::drawImplementationSinglePass fixed: _textureGlyphQuadMap[glyphTexture] can exist but it's _primitive can be invalid.
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