openh264dec: Fix build with msvc
Fix following build error ../subprojects/gst-plugins-bad/ext/openh264/gstopenh264dec.cpp(76): error C2121:
Note that msvc usually complains #if inside macro
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Fix following build error ../subprojects/gst-plugins-bad/ext/openh264/gstopenh264dec.cpp(76): error C2121:
Note that msvc usually complains #if inside macro