tgrain.h: include missing libraries - granular - granular dynamics simulation
 (HTM) git clone git://src.adamsgaard.dk/granular
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       ---
 (DIR) commit dc67fafa5a91666bfec1777dbfc00c58c6a6b8a4
 (DIR) parent d39c304d632258fd9a5bd0f381b669952ca98642
 (HTM) Author: Anders Damsgaard <anders@adamsgaard.dk>
       Date:   Thu, 18 Mar 2021 12:48:03 +0100
       
       grain.h: include missing libraries
       
       Diffstat:
         M grain.h                             |       2 ++
       
       1 file changed, 2 insertions(+), 0 deletions(-)
       ---
 (DIR) diff --git a/grain.h b/grain.h
       t@@ -1,6 +1,8 @@
        #ifndef GRANULAR_GRAIN_
        #define GRANULAR_GRAIN_
        
       +#include <stdio.h>
       +#include <stdlib.h>
        #include "granular.h"
        
        struct grain {