Added tracing of SIB5 in UE for EUTRA interfrequency information (rrc_UE.c) and removed some compiler warnings. Corrected a bug related to T310 usage before having received SIB2 (rrc_common.c)

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@7678 818b1a75-f10b-46b9-bf7c-635c3b92a50f