fix breakage from last commit: forgot to include ksigaction.h

this file can be overridden by a same-named file in an arch dir.

diff --git a/src/internal/ksigaction.h b/src/internal/ksigaction.h
new file mode 100644 (file)
index 0000000..8bdfd1d
--- /dev/null
+++ b/src/internal/ksigaction.h
@@ -0,0 +1,6 @@
+struct k_sigaction {
+       void (*handler)(int);
+       unsigned long flags;
+       void (*restorer)(void);
+       long mask[2];
+};