[PATCH pixman] '+=' is not a valid POSIX shell operator.

[Matthieu Herrb]

Signed-off-by: Matthieu Herrb <matthieu.herrb at laas.fr>
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git configure.ac configure.ac
index 221179f..b36298a 100644
--- configure.ac
+++ configure.ac
@@ -616,7 +616,7 @@ AC_ARG_ENABLE(arm-iwmmxt2,
 if test "x$IWMMXT_CFLAGS" = "x" ; then
    IWMMXT_CFLAGS="-flax-vector-conversions -Winline -march=iwmmxt"
    if test $enable_iwmmxt2 != no ; then
-      IWMMXT_CFLAGS+="2"
+      IWMMXT_CFLAGS="${IWMMXT_CFLAGS}2"
    fi
 fi
 
-- 
1.8.3