Fix typos of "variable" as "varaible"

One of these was just in a comment. But ther other was in an enum
tag, (which is apparently not being used anywhere yet).

1 files changed, 1 insertions, 1 deletions

diff --git a/ir.h b/ir.h
index f3402a38a1..9277f76204 100644
--- a/ir.h
+++ b/ir.h
@@ -134,7 +134,7 @@ enum ir_variable_mode {
    ir_var_inout
 };
 
-enum ir_varaible_interpolation {
+enum ir_variable_interpolation {
    ir_var_smooth = 0,
    ir_var_flat,
    ir_var_noperspective