model-assert: include <stdbool.h>

'bool' is not a built-in type in C. Include the (C99) <stdbool.h>
library.

diff --git a/include/model-assert.h b/include/model-assert.h
index a091e15..ddc4427 100644 (file)
--- a/include/model-assert.h
+++ b/include/model-assert.h
@@ -3,6 +3,8 @@
 
 #if __cplusplus
 extern "C" {
+#else
+#include <stdbool.h>
 #endif
 
 void model_assert(bool expr, const char *file, int line);