Use PR_snprintf instead of snprintf.

Fixing hpux tinderbox bustage.

gfx/src/ps/nsPostScriptObj.cpp

@@ -58,6 +58,7 @@
 #endif /* !NS_BUILD_ID */
 
 #include "prenv.h"
+#include "prprf.h"
 
 #include <locale.h>
 #include <limits.h>
@@ -65,7 +66,6 @@
 
 #ifdef VMS
 #include <stdlib.h>
-#include "prprf.h"
 #endif
 
 /* This is deprecated but we still need it until all platforms set the paper name in nsIPrintSettings... */
@@ -390,7 +390,7 @@ nsPostScriptObj::Init( nsIDeviceContextSpecPS *aSpec )
          * static buffer again.
          */
         PR_SetEnv("MOZ_PRINTER_NAME=dummy_value_to_make_putenv_happy");
-        PRInt32 nchars = snprintf(envvar, ARG_MAX,
+        PRInt32 nchars = PR_snprintf(envvar, ARG_MAX,
                                   "MOZ_PRINTER_NAME=%s", printername);
         if (nchars < 0 || nchars >= ARG_MAX)
             sprintf(envvar, "MOZ_PRINTER_NAME=");