tree-wide: Add+run spatch to use glnx_throw()

I had to run a sed job to add whitespace after, but otherwise this was easy.

Closes: #890
Approved by: jlebon

coccinelle/new-error.cocci

@@ -0,0 +1,19 @@
+// Conversion for G_IO_ERROR_FAILED that could be glnx_throw()
+@@
+expression p;
+@@
+- g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED, p);
+- return FALSE;
++ return glnx_throw (error, "%s", p);
+@@
+expression p;
+@@
+- g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, p);
+- return FALSE;
++ return glnx_throw (error, p);
+@@
+expression p, q;
+@@
+- g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, p, q);
+- return FALSE;
++ return glnx_throw (error, p, q);