Fix small bug in serialise dump function

saxbophone · saxbophone · commit ab5049a13062 · 2016-08-13T17:52:43.000+01:00
Not really so much as a badly impacting bug but one that may have
an impact in rare scenarios.
diff --git a/saxbospiral/serialise.c b/saxbospiral/serialise.c
@@ -103,7 +103,7 @@ dump_spiral(spiral_t spiral) {
     for(uint8_t i = 0; i < 8; i++) {
         uint8_t shift = (8 * (7 - i));
         output.bytes[16 + i] = (uint8_t)(
-            ((uint64_t)spiral.size & (0xff << shift)) >> shift
+            ((uint64_t)spiral.size & (0xffUL << shift)) >> shift
         );
     }
     // write final newline at end of header

Original file line number	Diff line number	Diff line change
`@@ -103,7 +103,7 @@ dump_spiral(spiral_t spiral) {`
`103`	`103`	`for(uint8_t i = 0; i < 8; i++) {`
`104`	`104`	`uint8_t shift = (8 * (7 - i));`
`105`	`105`	`output.bytes[16 + i] = (uint8_t)(`
`106`		`- ((uint64_t)spiral.size & (0xff << shift)) >> shift`
	`106`	`+ ((uint64_t)spiral.size & (0xffUL << shift)) >> shift`
`107`	`107`	`);`
`108`	`108`	`}`
`109`	`109`	`// write final newline at end of header`