shims/linux/super/cc: Add HOMEBREW_PREFIX/bin to compiler search path (#355)
shims/linux/super/cc: Add HOMEBREW_PREFIX/bin to compiler search path (#355)

This helps to locate compilers symlinked into HOMEBREW_PREFIX/bin/gcc-{ver}.
hanxue/linuxbrew,rwhogg/brew,Linuxbrew/brew,hanxue/linuxbrew,rwhogg/brew,maxim-belkin/brew,maxim-belkin/brew,Linuxbrew/brew,rwhogg/brew,hanxue/linuxbrew,Linuxbrew/brew,maxim-belkin/brew,Linuxbrew/brew