Malformed identifier crashes when evaluated in expression engine

[jng]

Copied from: ​https://trac.osgeo.org/mapguide/ticket/2511

[jng]

In 7642:

Gracefully handle evaluation of identifiers containing mixed quotes instead of segfaulting. Fixes #946

[jng]

In 7646:

Merged revision(s) 7638, 7640-7645 from trunk:
Fix incorrect parameter names in CMake build scripts
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Fix bash-isms in cmake_bootstrap.sh and just inline the contents of setenvironment.sh into this script instead of sed patching and source-ing the patched script
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Use . instead of source in cmake_build.sh and enable --use-ld-gold switch for linking with gold instead of ld
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Gracefully handle evaluation of identifiers containing mixed quotes instead of segfaulting. Fixes #946
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#946: Some explanation as to why the OGR provider test suite was the home for this new test
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Added OGR unit test to verify spatial and regular filters when combined do play nicely together. Fixes #945
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Don't advertise insert/update/delete in command capabilities if OGR connection is read-only. Includes unit tests to verify. Fixes #938
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