build: fixup header line
build: fixup header line

Fixup the header line in the configure.ac file.

Change-Id: I882a15aa6f08f26e3c9eb107497d4f16b126931e
Signed-off-by: Patrick Venture <36c53fa43f47f3fd67cb2fc38031827244d18a1f@google.com>

openbmc/phosphor-ipmi-flash