Fixed [ 1219622 ] Provider segfaults when getting keylist constClass.c:134 faile to check for CMPI_nullValue.
Fixed [ 1219622 ] Provider segfaults when getting keylist
constClass.c:134 faile to check for CMPI_nullValue.

mchasal/SFCB,kkaempf/sblim-sfcb,buccella/SFCB,mchasal/SFCB,kkaempf/sblim-sfcb,kkaempf/sblim-sfcb,kkaempf/sblim-sfcb,buccella/SFCB,kkaempf/sblim-sfcb,buccella/SFCB,mchasal/SFCB,buccella/SFCB,mchasal/SFCB,buccella/SFCB