[vte] Remove custom definition of howmany()

[Behdad Esfahbod <behdad src gnome org>]

commit 8e670e32809911094d8fd1c127d80115dce7fcc7
Author: Behdad Esfahbod <behdad behdad org>
Date:   Tue Apr 18 18:18:05 2017 -0700

    Remove custom definition of howmany()
    
    vtedraw.cc has been using it off of sys/param.h just fine.

 src/vte.cc     |    5 +----
 src/vtedraw.cc |    2 +-
 2 files changed, 2 insertions(+), 5 deletions(-)
---
diff --git a/src/vte.cc b/src/vte.cc
index 4a43fe6..9bbade8 100644
--- a/src/vte.cc
+++ b/src/vte.cc
@@ -24,6 +24,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <sys/ioctl.h>
+#include <sys/param.h> /* howmany() */
 #include <errno.h>
 #include <fcntl.h>
 #include <math.h>
@@ -90,10 +91,6 @@ static inline double round(double x) {
 typedef gunichar wint_t;
 #endif
 
-#ifndef howmany
-#define howmany(x, y) (((x) + ((y) - 1)) / (y))
-#endif
-
 #define WORD_CHAR_EXCEPTIONS_DEFAULT "-#%&+,./=?@\\_~\302\267"
 
 #define I_(string) (g_intern_static_string(string))
diff --git a/src/vtedraw.cc b/src/vtedraw.cc
index a47efae..bf53a7d 100644
--- a/src/vtedraw.cc
+++ b/src/vtedraw.cc
@@ -21,7 +21,7 @@
 #include <math.h>
 #include <stdlib.h>
 #include <string.h>
-#include <sys/param.h>
+#include <sys/param.h> /* howmany() */
 
 #include <glib.h>
 #include <gtk/gtk.h>