Fix #9004 - Firebird 5.0.4 missing LC_RPATH on macOS

Author: asfernandes

builds/posix/darwin.defaults

@@ -20,7 +20,7 @@
 # Options
 #FirebirdInstallPrefix=
 LIB_BUNDLE_OPTIONS=$(LD_FLAGS) -bundle
-LIB_LINK_OPTIONS=$(LD_FLAGS) -dynamiclib
+LIB_LINK_OPTIONS=$(LD_FLAGS) -dynamiclib $(call LINK_DARWIN_RPATH,..)
 LIB_LINK_SONAME:=-current_version @FIREBIRD_VERSION@ -compatibility_version @FIREBIRD_VERSION@
 LIB_LINK_MAPFILE=-Wl,-exported_symbols_list,$(1)