v2.3.3: fixed default build tasks not deleting old out file

default_tasks/build_shared_lib.sh

@@ -2,6 +2,8 @@
 
 # delete old objects
 clean_dir "$OBJDIR/objects"
+rm -f "$SHARED_LIB_FILE"
+
 [ ! -z "$SRC_C" ] && compile_c "$CMP_C" "$STD_C" "$WARN_C" "$C_ARGS" "$INCLUDE" "$SRC_C"
 [ ! -z "$SRC_CPP" ] && compile_cpp "$CMP_CPP" "$STD_CPP" "$WARN_CPP" "$CPP_ARGS" "$INCLUDE" "$SRC_CPP"
 link "$LINKER_ARGS" "$SHARED_LIB_FILE"