[libvirt] [PATCH] Fix build with older gcc

My commit af1c98e4 broke the build on RHEL-6: vircgrouptest.c: In function 'testCgroupGetPercpuStats': vircgrouptest.c:566: error: nested extern declaration of '_gl_verify_function2' [-Wnested-externs] The only thing that needs checking is that the array size is at least EXPECTED_NCPUS, to prevent

[libvirt] [PATCH] fix build with older gcc

Older gcc (4.1.2-55.el5, 4.2.1 on FreeBSD) reports bogus warnings: ../../src/conf/nwfilter_conf.c:2111: warning: 'protocol' may be used uninitialized in this function ../../src/conf/nwfilter_conf.c:2110: warning: 'dataProtocolID' may be used uninitialized in this function Initialize them to NULL t