WaE: ‘isNumber’ [-Werror=maybe-uninitialized]

Change-Id: I5a46eb90749965193d2965740d85a1a2eb1ce641
(cherry picked from commit 7171f7920ee2e8d31f51d27eab86305ecf14626e)
WaE: ‘isNumber’ [-Werror=maybe-uninitialized]

Change-Id: I307af9b8619db00afaef378df60352c06eb1e4c9
(cherry picked from commit 04b3a3c801bc452f659048a816829300d6b2a16f)