[PATCH 1/6] build: rename to configure.ac

[Jan Engelhardt <jengelh@xxxxxxx>]

This is simply the modern recommended name. (As a side note, it also
selects the right syntax coloring because .ac tells more than .in.)

Signed-off-by: Jan Engelhardt <jengelh@xxxxxxx>
---
 configure.in => configure.ac |    0
 1 files changed, 0 insertions(+), 0 deletions(-)
 rename configure.in => configure.ac (100%)

diff --git a/configure.in b/configure.ac
similarity index 100%
rename from configure.in
rename to configure.ac
-- 
1.7.7