Log Message:
Changes 3.3.2:
* Fixed a regression in ccache 3.3 related to potentially bad content of \ 
dependency files when compiling identical source code but with different source \ 
paths.
* Fixed a regression in ccache 3.3.1: ccache could get confused when using the \ 
compiler option -Wp, to pass multiple options to the preprocessor, resulting in \ 
missing dependency files from direct mode cache hits.