mips: fix stub files

This complements commit 140ecf876686d49085c6eb3a2306e2ea6ea641bc.

* linux/mips/genstub.sh: Output SEN(printargs) instead of printargs.

Reported-by: Elliott Hughes <enh@google.com>
diff --git a/linux/mips/genstub.sh b/linux/mips/genstub.sh
index ffcbfdf..5ebb1d4 100755
--- a/linux/mips/genstub.sh
+++ b/linux/mips/genstub.sh
@@ -6,5 +6,5 @@
 for n in n32 n64 o32; do
 	in="$srcdir/syscallent-$n.h"
 	out="$dstdir/syscallent-$n-stub.h"
-	sed -n '/^#if/,/^#else/ {s/^\([^{]*{[^,]*,[^,]*,[[:space:]]*\)[^,[:space:]]\+,[[:space:]]*"\([^"]\+".*\)/\1printargs, "'$n'_\2/; s/^\[.*/&/p}' < "$in" > "$out"
+	sed -n '/^#if/,/^#else/ {s/^\([^{]*{[^,]*,[^,]*,[[:space:]]*\)[^,[:space:]]\+,[[:space:]]*"\([^"]\+".*\)/\1SEN(printargs), "'$n'_\2/; s/^\[.*/&/p}' < "$in" > "$out"
 done