actually add AC_MSG_CHECKING/_RESULTs for --enable/disable-postgresql-sdbc

Change-Id: I6b02998db5624960ba78ce8b1b0356601a80fc5e
Reviewed-on: https://gerrit.libreoffice.org/54721Reviewed-by: Rene Engelhard <rene@debian.org>
Tested-by: Rene Engelhard <rene@debian.org>

configure.ac

@@ -8514,7 +8514,9 @@ fi
 dnl ===================================================================
 dnl Check for PostgreSQL stuff
 dnl ===================================================================
+AC_MSG_CHECKING([whether to build the PostgreSQL SDBC driver])
 if test "x$enable_postgresql_sdbc" != "xno"; then
+    AC_MSG_RESULT([yes])
     SCPDEFS="$SCPDEFS -DWITH_POSTGRESQL_SDBC"
 
     if test "$with_krb5" = "yes" -a "$enable_openssl" = "no"; then
@@ -8655,6 +8657,8 @@ if test "x$enable_postgresql_sdbc" != "xno"; then
         LIBS=$save_LIBS
     fi
     BUILD_POSTGRESQL_SDBC=TRUE
+else
+    AC_MSG_RESULT([no])
 fi
 AC_SUBST(WITH_KRB5)
 AC_SUBST(WITH_GSSAPI)