Fix portability of test use.

diff --git a/configure.ac b/configure.ac
index 2a31382f8829e0d565e7167eac660ec696c58b6a..0c054cc54e8c6cccbb32bd07e8ec6dce44778779 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -381,7 +381,7 @@ fi
 AC_ARG_WITH([lzo2],
   AS_HELP_STRING([--with-lzo2], [Build with LZO support from liblzo2]))
 
-if test "x$with_lzo2" == "xyes"; then
+if test "x$with_lzo2" = "xyes"; then
   AC_CHECK_HEADERS([lzo/lzoconf.h lzo/lzo1x.h])
   AC_CHECK_LIB(lzo2,lzo1x_decompress_safe)
 fi