configure.ac: remove an erroneous quotation mark
@@ -134,7 +134,7 @@ if test "x$build_tests" = "xyes"; then
AC_PATH_PROG(VALGRIND, [valgrind])
fi
-AC_DEFINE(BUILD_TESTS, [1], ["Build the test suite])
+AC_DEFINE(BUILD_TESTS, [1], [Build the test suite])
AM_CONDITIONAL(HAVE_VALGRIND, [test "x$VALGRIND" != "x"])
AM_CONDITIONAL(BUILD_TESTS, [test "x$build_tests" = "xyes"])
AM_CONDITIONAL(BUILD_DOCS, [test "x$build_documentation" = "xyes"])
