tAdd missing end parantheses - Granular.jl - Julia package for granular dynamics simulation
 (HTM) git clone git://src.adamsgaard.dk/Granular.jl
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       ---
 (DIR) commit 5c17352359f5871f0258d3a47b12d829abfb5521
 (DIR) parent 2a93cab78cf900bb39d814b27efe95b86e5f57a1
 (HTM) Author: Anders Damsgaard <andersd@riseup.net>
       Date:   Mon, 19 Feb 2018 11:12:01 -0500
       
       Add missing end parantheses
       
       Diffstat:
         M src/interaction.jl                  |       4 ++--
       
       1 file changed, 2 insertions(+), 2 deletions(-)
       ---
 (DIR) diff --git a/src/interaction.jl b/src/interaction.jl
       t@@ -207,9 +207,9 @@ function interactGrains!(simulation::Simulation, i::Int, j::Int, ic::Int)
        
            # Determine which grain is the weakest
            compressive_strength = simulation.grains[i].fracture_toughness * 
       -                           sqrt(simulation.grains[i].thickness
       +                           sqrt(simulation.grains[i].thickness)
            compressive_strength_j = simulation.grains[j].fracture_toughness * 
       -                             sqrt(simulation.grains[j].thickness
       +                             sqrt(simulation.grains[j].thickness)
            idx_weakest = i
            if compressive_strength_j < compressive_strength
                compressive_strength = compressive_strength_j