libsemanage: Add python3 to dependencies

Recipe have implicit dependency on nativesdk-python,
so recipe-sysroot-root populated with python headers.
But during build code look for headers into recipe-sysroot.
Add python dependency explicitly.
Signed-off-by: Oleksiy Obitotskyy <oobitots@cisco.com>
Signed-off-by: Joe MacDonald <joe@deserted.net>

recipes-security/selinux/libsemanage_3.4.bb

@@ -16,7 +16,7 @@ SRC_URI += "file://libsemanage-Fix-execve-segfaults-on-Ubuntu.patch \
             file://libsemanage-disable-expand-check-on-policy-load.patch \
            "
 
-DEPENDS = "libsepol libselinux bison-native swig-native"
+DEPENDS = "libsepol libselinux python3 bison-native swig-native"
 
 DEPENDS:append:class-target = " audit"