gerritssh: Abort reverse lookup if commit not available
gerritssh: Abort reverse lookup if commit not available

Change-Id: I662c5a1ed2e86cb55bce0af5dd4cf82d10f8765a
Signed-off-by: Adrian DC <01fb3892f39957945220431e7409156544d2f041@gmail.com>

AdrianDC/android_development_shell_tools,AdrianDC/android_development_shell_tools