Compilation error with latest master

[Ansuel Smith]

Commit f98878e4c17d5f11e78994b4fc456e6b60b2660f cause some compilation
error like
(the package is random... i got this with many package that use cmake)
Reverting the commit and rebuilding the related package fix the problem.

make[3]: Entering directory '/home/ansuel/openwrt/tools/padjffs2'
-- The C compiler identification is unknown
CMake Error at CMakeLists.txt:4 (project):
  The CMAKE_C_COMPILER:

    ccache gcc

  is not a full path and was not found in the PATH.

  Tell CMake where to find the compiler by setting either the environment
  variable "CC" or the CMake cache entry CMAKE_C_COMPILER to the full path to
  the compiler, or to the compiler name if it is in the PATH.


make[3]: Leaving directory '/home/ansuel/openwrt/tools/padjffs2'