rpcd: adjust with glibc and libcrypt-compat

glibc 2.39 has removed libcrypt completely.
solution: link against libxcrypt built with glibc compatibility.

Signed-off-by: Konstantin Demin <[email protected]>
Link: openwrt/openwrt#19293
Signed-off-by: Hauke Mehrtens <[email protected]>

Author: rockdrilla

package/system/rpcd/Makefile

@@ -39,7 +39,7 @@ endef
 
 define Package/rpcd
   $(Package/rpcd/default)
-  DEPENDS+= +libuci +libblobmsg-json +libjson-c
+  DEPENDS+= +USE_GLIBC:libcrypt-compat +libuci +libblobmsg-json +libjson-c
 endef
 
 define Package/rpcd/description