[runtime] Fix inverted build check related to mcs docs

diff --git a/configure.ac b/configure.ac
index 14fc03aeef536b18b9f9992581bf84c6f77cdb79..f080acf9b5dbae4de1af41ba48f3cc0d4b47306f 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -3745,7 +3745,7 @@ AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the
                DISABLE_MCS_DOCS=yes
        fi
 ])
-if test -z "$INSTALL_4_x_TRUE"; then :
+if test -n "$INSTALL_4_x_TRUE"; then :
        DISABLE_MCS_DOCS=yes
 fi
 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then