all: make buildable again for new 'misc.h' header file

With the 4 header files removed in the previous patch,
this commit just changes all those obsolete references
to that new consolidated 'misc.h' header file instead.

Signed-off-by: Jim Warner <james.warner@comcast.net>

proc/devname.c

@@ -24,7 +24,7 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <unistd.h>
-#include "version.h"
+#include "misc.h"
 #include "devname.h"
 
 // This is the buffer size for a tty name. Any path is legal,