libdeng2: Convenient macros for detecting Qt versions
We are currently using Qt 4.6, Qt 4.7 and Qt 4.8 on various platforms.
Also fixes the Mac 10.4 build, which uses Qt 4.6.
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libdeng2: Convenient macros for detecting Qt versions
We are currently using Qt 4.6, Qt 4.7 and Qt 4.8 on various platforms.
Also fixes the Mac 10.4 build, which uses Qt 4.6.