Set empty default value to OBJADDE_LIB

build/ymake.core.conf

@@ -37,6 +37,8 @@ SFLAGS=
 SRCFLAGS=
 FORCE_COVERAGE_ENABLED=
 FORCE_COVERAGE_DISABLED=
+OBJADDE_LIB=
+OBJADDE_LIB_GLOBAL=
 
 AUTOCHECK_BALANCING_OPTIONS=
 SO_OUTPUTS=no