[hackers] [dwm] getatomprop: Add forward declaration || Chris Down

[git]

commit f087d20e6e60a49c756936b4312f5d194d8e63b4
Author:     Chris Down <ch...@chrisdown.name>
AuthorDate: Wed Apr 22 15:48:08 2020 +0100
Commit:     Hiltjo Posthuma <hil...@codemadness.org>
CommitDate: Wed Apr 22 20:33:26 2020 +0200

    getatomprop: Add forward declaration
    
    No functional changes, but for every other function we have a forward
    declaration here. getatomprop should be no exception.

diff --git a/dwm.c b/dwm.c
index 41c6767..972f261 100644
--- a/dwm.c
+++ b/dwm.c
@@ -169,6 +169,7 @@ static void focus(Client *c);
 static void focusin(XEvent *e);
 static void focusmon(const Arg *arg);
 static void focusstack(const Arg *arg);
+static Atom getatomprop(Client *c, Atom prop);
 static int getrootptr(int *x, int *y);
 static long getstate(Window w);
 static int gettextprop(Window w, Atom atom, char *text, unsigned int size);