abstract the criterion headers from files modified by users

Author: brian-gavin

include/c_koans.h

@@ -1,3 +1,6 @@
+#include <criterion/criterion.h>
+#include <criterion/redirect.h>
+
 #ifndef CKOANS_H
 #define CKOANS_H
 

src/about_arrays.c

@@ -1,5 +1,5 @@
 #include "c_koans.h"
-#include <criterion/criterion.h>
+#include <stdlib.h>
 
 void func(int *array)
 {

src/about_basics.c

@@ -1,5 +1,4 @@
 #include "c_koans.h"
-#include <criterion/criterion.h>
 #include <limits.h>
 #include <stdbool.h>
 

src/about_control_statements.c

@@ -1,5 +1,4 @@
 #include "c_koans.h"
-#include <criterion/criterion.h>
 
 /*
     As the language we are most familiar with, Java, has a syntax  heavily

src/about_dataclasses.c

@@ -1,5 +1,4 @@
 #include "c_koans.h"
-#include <criterion/criterion.h>
 
 Test(about_dataclasses, unions)
 {

src/about_functions.c

@@ -1,5 +1,4 @@
 #include "c_koans.h"
-#include <criterion/criterion.h>
 #include <ctype.h>
 #include <stdlib.h>
 #include <string.h>

src/about_linked_lists.c

@@ -1,5 +1,4 @@
 #include "c_koans.h"
-#include <criterion/criterion.h>
 #include <stdlib.h>
 
 /*

src/about_malloc.c

@@ -1,5 +1,4 @@
 #include "c_koans.h"
-#include <criterion/criterion.h>
 #include <stdbool.h>
 #include <stdlib.h>
 

src/about_pointers.c

@@ -1,5 +1,4 @@
 #include "c_koans.h"
-#include <criterion/criterion.h>
 #include <string.h>
 
 Test(about_pointers, pointers_and_addresses)

src/about_preprocessor.c

@@ -1,4 +1,4 @@
-#include <criterion/criterion.h>
+#include "c_koans.h"
 #include <string.h>
 
 /*