Fix the library search path in "dali-core.pc"
Fix the library search path in "dali-core.pc"

Depending on the architecture, libraries may be installed
in another directory than "/usr/lib" ("/usr/lib64" e.g.)
Reflect that in the .pc file.

Change-Id: Id4a617ebbeec2a0c678cd60c494e99ec650aecf8
Signed-off-by: Manuel Bachmann <d58f3f53462d5b02b85dbad407eeedd70c66c30c@open.eurogiciel.org>

dalihub/dali-core,pwisbey/dali-core,pwisbey/dali-core,pwisbey/dali-core,dalihub/dali-core,dalihub/dali-core,dalihub/dali-core,pwisbey/dali-core