nir/builtin: Add #include u_math.h to the header

The inline functions use M_PI so they should include a header to make
sure it is defined.

Reviewed-by: Kristian H. Kristensen <hoegsberg@google.com>

diff --git a/src/compiler/nir/nir_builtin_builder.h b/src/compiler/nir/nir_builtin_builder.h
index 519938f..22115ad 100644 (file)
--- a/src/compiler/nir/nir_builtin_builder.h
+++ b/src/compiler/nir/nir_builtin_builder.h
@@ -24,6 +24,7 @@
 #ifndef NIR_BUILTIN_BUILDER_H
 #define NIR_BUILTIN_BUILDER_H
 
+#include "util/u_math.h"
 #include "nir/nir_builder.h"
 
 /*