ncd: rename boolean.h --> static_strings_utils.h

ncd/modules/arithmetic.c

@@ -72,7 +72,7 @@
 #include <misc/parse_number.h>
 #include <ncd/NCDModule.h>
 #include <ncd/static_strings.h>
-#include <ncd/boolean.h>
+#include <ncd/static_strings_utils.h>
 
 #include <generated/blog_channel_ncd_arithmetic.h>
 

ncd/boolean.h → ncd/static_strings_utils.h

@@ -1,5 +1,5 @@
 /**
- * @file boolean.h
+ * @file static_strings_utils.h
  * @author Ambroz Bizjak <ambrop7@gmail.com>
  * 
  * @section LICENSE