unity fails to build in xenial

[Matthias Klose]

seen in an archive test rebuild, on all archs, using ppa:ubuntu-toolchain-r/ppa:
https://launchpad.net/ubuntu/+archive/test-rebuild-20160614/+build/10008522

In file included from /«BUILDDIR»/unity-7.4.0+16.04.20160415/unity-shared/StandaloneDecorationStyle.cpp:22:0:
/«BUILDDIR»/unity-7.4.0+16.04.20160415/unity-shared/DecorationStyle.h:146:64: error: ‘std::vector’ has not been declared
   std::string ThemedFilePath(std::string const& basename, std::vector<std::string> const& extra_folders = {}) const;
                                                                ^
/«BUILDDIR»/unity-7.4.0+16.04.20160415/unity-shared/DecorationStyle.h:146:70: error: expected ‘,’ or ‘...’ before ‘<’ token
   std::string ThemedFilePath(std::string const& basename, std::vector<std::string> const& extra_folders = {}) const;
                                                                      ^
make[3]: *** [unity-shared/CMakeFiles/decorations-style.dir/StandaloneDecorationStyle.cpp.o] Error 1
unity-shared/CMakeFiles/decorations-style.dir/build.make:65: recipe for target 'unity-shared/CMakeFiles/decorations-style.dir/StandaloneDecorationStyle.cpp.o' failed
make[3]: Leaving directory '/«BUILDDIR»/unity-7.4.0+16.04.20160415/obj-x86_64-linux-gnu'
make[2]: *** [unity-shared/CMakeFiles/decorations-style.dir/all] Error 2

[Marco Trevisan (Treviño) (3v1n0)]

This is already fixed in unity 7.4.0+16.04.20160526.1