[trivial] Rewrite help text for feature enabled by default

MarcoFalke · MarcoFalke · commit 95f429118585 · 2015-10-22T17:01:53.000+02:00
c.f #6748
diff --git a/configure.ac b/configure.ac
@@ -92,7 +92,7 @@ AC_ARG_ENABLE(tests,
     [use_tests=yes])
 
 AC_ARG_ENABLE(bench,
-    AS_HELP_STRING([--enable-bench],[compile benchmarks (default is yes)]),
+    AS_HELP_STRING([--disable-bench],[do not compile benchmarks (default is to compile)]),
     [use_bench=$enableval],
     [use_bench=yes])
 
