[ekiga] Applied patch from Antoine Jacoutot, fixing #724524

[Julien Puydt <jpuydt src gnome org>]

commit 36db30c774cf24956572a4813e922a5e6d3cdf68
Author: Julien Puydt <jpuydt free fr>
Date:   Thu Feb 20 16:47:13 2014 +0100

    Applied patch from Antoine Jacoutot, fixing #724524

 src/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index 5408e6f..0318914 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -110,7 +110,7 @@ src/revision.h:
             echo "#define EKIGA_REVISION $(GIT_REVISION)" > revision.h; \
           fi \
         else \
-          if !(test -e "./revision.h"); then\
+          if ! test -e "./revision.h"; then\
             echo "#define EKIGA_REVISION \"unknown\"" > revision.h; \
           fi \
         fi