Add env.h header

src/common/env.c

@@ -925,6 +925,9 @@ int env_array_overwrite(char ***array_ptr, const char *name,
 	return 1;
 }
 
+/* 
+ * Copy env_array must be freed by env_array_free 
+ */
 char **env_array_copy(const char **array)
 {
 	char **ptr = NULL;

src/slaunch/slaunch.c

@@ -74,6 +74,7 @@
 #include "src/common/mpi.h"
 #include "src/common/slurm_rlimits_info.h"
 #include "src/common/plugstack.h"
+#include "src/common/env.h"
 
 #include "src/slaunch/opt.h"
 #include "src/slaunch/sigstr.h"