[hackers] [st] code-style: add fallthrough comment || Hiltjo Posthuma

[git]

commit 914fb825df3bde7abdd7947e54f8bf4d2b55e34e
Author:     Hiltjo Posthuma <hil...@codemadness.org>
AuthorDate: Sat May 9 14:43:31 2020 +0200
Commit:     Hiltjo Posthuma <hil...@codemadness.org>
CommitDate: Sat May 9 14:43:31 2020 +0200

    code-style: add fallthrough comment
    
    Patch by Steve Ward, thanks.

diff --git a/st.c b/st.c
index 1414f98..a8de17d 100644
--- a/st.c
+++ b/st.c
@@ -2153,6 +2153,7 @@ tcontrolcode(uchar ascii)
                return;
        case '\032': /* SUB */
                tsetchar('?', &term.c.attr, term.c.x, term.c.y);
+               /* FALLTHROUGH */
        case '\030': /* CAN */
                csireset();
                break;
diff --git a/x.c b/x.c
index 7bfc36f..1dc44d6 100644
--- a/x.c
+++ b/x.c
@@ -1528,6 +1528,7 @@ xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, 
Glyph og)
                switch (win.cursor) {
                case 7: /* st extension: snowman (U+2603) */
                        g.u = 0x2603;
+                       /* FALLTHROUGH */
                case 0: /* Blinking Block */
                case 1: /* Blinking Block (Default) */
                case 2: /* Steady Block */