Check enable_mpl_subset, too, for mysqlc

Change-Id: I083583b86fa404eb16eea354ef9e6d22cf4c62fe
Reviewed-on: https://gerrit.libreoffice.org/68346
Tested-by: Jenkins
Reviewed-by: Tor Lillqvist <tml@collabora.com>

configure.ac

@@ -8472,7 +8472,7 @@ AC_SUBST(PYTHON_VERSION_MAJOR)
 AC_SUBST(PYTHON_VERSION_MINOR)
 
 ENABLE_MARIADBC=TRUE
-if test "$_os" = "Android" -o "$_os" = "iOS"; then
+if test "$_os" = "Android" -o "$_os" = "iOS" -o "$enable_mpl_subset" = "yes"; then
     ENABLE_MARIADBC=
 fi
 MARIADBC_MAJOR=1