Converted var to const if there is no mutation in var.

This is checked from compiler version 0.12.0-dev.1664

1 files changed, 1 insertions, 1 deletions

diff --git a/exercises/076_sentinels.zig b/exercises/076_sentinels.zig
index 1af59da..4b1afb1 100644
--- a/exercises/076_sentinels.zig
+++ b/exercises/076_sentinels.zig
@@ -46,7 +46,7 @@ pub fn main() void {
     var nums = [_:0]u32{ 1, 2, 3, 4, 5, 6 };
 
     // And here's a zero-terminated many-item pointer:
-    var ptr: [*:0]u32 = &nums;
+    const ptr: [*:0]u32 = &nums;
 
     // For fun, let's replace the value at position 3 with the
     // sentinel value 0. This seems kind of naughty.