Comment 2 for bug 846175

StacktraceTop:
 g_assertion_message (domain=<optimized out>, file=<optimized out>, line=<optimized out>, func=0x7f256b0a8270 "folks_persona_set_individual", message=0x2c07db0 "assertion failed: (_tmp6_)") at /build/buildd/glib2.0-2.29.90/./glib/gtestutils.c:1425
 g_assertion_message_expr (domain=0x7f256b0a115e "folks", file=0x7f256b0a7ecc "persona.c", line=777, func=0x7f256b0a8270 "folks_persona_set_individual", expr=<optimized out>) at /build/buildd/glib2.0-2.29.90/./glib/gtestutils.c:1436
 folks_persona_set_individual (self=0x2b49d40, value=0x275fd20) at persona.c:777
 _folks_individual_disconnect_from_persona (replacement_individual=0x275fd20, persona=0x2b49d40, self=0x2bee930) at individual.c:4820
 _folks_individual_set_personas (self=0x2bee930, personas=0x0, replacement_individual=0x275fd20) at individual.c:6183