tests/gem_exec_nop: Rename signal() to fence_signal()

Unfortunately <signal.h> is included through some obscure dependencies
when using bionic, so we have a name clash on signal().

Changed the test function name to fence_signal() to avoid this, but left
the test cases names unchanged.

Signed-off-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
Reviewed-by: Petri Latvala <petri.latvala@intel.com>
1 file changed