Add mergesort to the includes in array merge

NicMcPhee · NicMcPhee · commit 49f1c8c938c6 · 2022-09-23T14:24:33.000-05:00
This will make `mergesort()` available in their array merge code.
diff --git a/array_merge/array_merge.c b/array_merge/array_merge.c
@@ -1,4 +1,5 @@
 #include "array_merge.h"
+#include "../mergesort/mergesort.h"
 
 int* array_merge(int num_arrays, int* sizes, int** values) {
   // This is obviously broken. It has the right type, though, eh?

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,5 @@`
`1`	`1`	`#include "array_merge.h"`
	`2`	`+#include "../mergesort/mergesort.h"`
`2`	`3`
`3`	`4`	`int* array_merge(int num_arrays, int* sizes, int** values) {`
`4`	`5`	`// This is obviously broken. It has the right type, though, eh?`