build(vim-patch): n/a patches for src/po/

"vim.pot" file and tasks are N/A.
"clean" task is N/A after migrating to CMake.

N/A patches:
- 59bd74ed4c9ab366182c93bdc430b186729abbad
- 5d552d652b0197063565ab937d30f92a9ed28545
- 3c8d32e4fc17b4b38b17d7c039ee6203d1b01078

scripts/vim-patch.sh

@@ -961,6 +961,17 @@ is_na_patch() {
           test "$HUNK_NUM_FINAL" -ne 0 && return 1
         fi
         ;;
+      src/po/Make*)
+        HUNKS=$(git -C "${VIM_SOURCE_DIR}" diff-tree --no-commit-id -r -b -U0 \
+          '-I^\$\([_A-Z]+\)\.pot:' \
+          "$patch" -- "${file}")
+        if test -n "$HUNKS"; then
+          HUNK_NUM_FINAL=$(echo "$HUNKS" | grep '^@@ .* @@' | sed 's/^@@ .* @@ //' | grep -cv \
+            -e '^\$([_A-Z]\+)\.pot:' \
+            -e '^clean:')
+          test "$HUNK_NUM_FINAL" -ne 0 && return 1
+        fi
+        ;;
       src/testdir/Makefile)
         HUNKS=$(git -C "${VIM_SOURCE_DIR}" diff-tree --no-commit-id -r -b -U0 \
           '-IREDIR_TEST_TO_NULL = ' \