Formula::std_cmake_args: Add RPATH for Linuxbrew
Formula::std_cmake_args: Add RPATH for Linuxbrew

Set RPATH for Linux to fix error while loading shared libraries

maxim-belkin/brew,maxim-belkin/brew,Linuxbrew/brew,hanxue/linuxbrew,hanxue/linuxbrew,Linuxbrew/brew,rwhogg/brew,Linuxbrew/brew,hanxue/linuxbrew,rwhogg/brew,rwhogg/brew,maxim-belkin/brew,Linuxbrew/brew