Add missing break statement
diff --git a/ir_variable.cpp b/ir_variable.cpp
index 12992a9..a2c0803 100644
--- a/ir_variable.cpp
+++ b/ir_variable.cpp
@@ -46,6 +46,7 @@
    case ir_var_inout:
       var->shader_in = true;
       var->shader_out = true;
+      break;
    case ir_var_out:
       var->shader_out = true;
       break;