Add missing includes to cynara-commons.pc
Add missing includes to cynara-commons.pc

cynara-commons.pc was missing a -I CFLAGS pointing to the folder with
header files containing declarations of functions implemented inside
libcynara-commons.so library.

Change-Id: I096e641959cc36dfa1ae1358ae02f8e9c927e34c
Signed-off-by: Lukasz Wojciechowski <a2d89656bbb2a6e8a64a294f13639c7f6683f95e@partner.samsung.com>

Samsung/cynara,Samsung/cynara,Samsung/cynara