package/openldap: needs MMU

openldap uses fork(), so needs an MMU.

Fixes:
    http://autobuild.buildroot.org/results/8a7/8a72aef6525da27b92235b918b6d41ad1c7fac09/
    http://autobuild.buildroot.org/results/1ce/1ce0ac525217fc5308ea510c997c7ac59e69bc4c/
    http://autobuild.buildroot.org/results/0eb/0eb180f77d5b70886e062ada1be133916ac97c31/

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/openldap/Config.in

@@ -1,6 +1,7 @@
 config BR2_PACKAGE_OPENLDAP
 	bool "openldap"
 	depends on BR2_USE_WCHAR
+	depends on BR2_USE_MMU # needs fork()
 	help
 	  OpenLDAP Software is an open source implementation of
 	  the Lightweight Directory Access Protocol.
@@ -10,4 +11,5 @@ config BR2_PACKAGE_OPENLDAP
 	  http://www.openldap.org/
 
 comment "openldap needs a toolchain w/ wchar"
+	depends on BR2_USE_MMU # needs fork()
 	depends on !BR2_USE_WCHAR