print_wrapped_text: fix output for negative indent
print_wrapped_text: fix output for negative indent

When providing a negative indent, it means that -indent columns were
already printed. Fix a bug where the function ate the first character
if already the first word did not fit into the first line.

Signed-off-by: Johannes Schindelin <53fb8db7833fca1e1746dd8592f61048d350f64c@gmx.de>
Signed-off-by: Junio C Hamano <dc50d1021234060e53ec42a77d526afa2fe07479@cox.net>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git