Squashed 'src/phast/PhreeqcRM/' changes from c68169ba..0e5bc4e0

0e5bc4e0 Merge commit 'f00d4114816e8491b13baa44c62746b40883f6c6'
f00d4114 Squashed 'src/' changes from 0e2e37a5..29c90730

git-subtree-dir: src/phast/PhreeqcRM
git-subtree-split: 0e5bc4e03d2224fb7053bf68604956c12a44a59c

src/IPhreeqcPhast/IPhreeqc/phreeqcpp/Solution.cxx

@@ -1396,6 +1396,7 @@ cxxSolution::zero()
 	this->cb = 0.0;
 	this->density = 1.0;
 	this->viscosity = 1.0;
+	this->viscos_0 = 1.0;
 	this->mass_water = 0.0;
 	this->soln_vol = 0.0;
 	this->total_alkalinity = 0.0;