LPSolver: Update to v4.2.2

Corrected code for 32-bit Windows dynamic libraries.

Nasty compile errors were fixed in lpsolve55j.dll.  They were unlikely to affect the extension, but now the code compiles cleanly.

Introduced via PR #84

Author: cstaelin

extensions/lpsolver-4.2.2.zip

@@ -156,7 +156,7 @@ In general, the LevelSpace syntax has been designed to align with existing NetLo
     codeName: "lpsolver"
     shortDescription: "A mixed-integer linear programming package for NetLogo"
     longDescription: "The LPSolver extension uses the lpsolve55 linear programming library to solve normal, integer and mixed-integer linear programming problems, returning the optimal solution and the shadow prices of the constraints."
-    version: "4.2.1"
+    version: "4.2.2"
     homepage: "https://github.com/cstaelin/LPSolver-Extension/"
   }
   {