linprog test: fix build.

src/tests/libs/linprog/Jamfile

@@ -4,8 +4,14 @@ SubDir HAIKU_TOP src tests libs linprog ;
 UseLibraryHeaders lp_solve linprog ;
 
 
-SimpleTest linprog_test :
+local architectureObject ;
+for architectureObject in [ MultiArchSubDirSetup ] {
+	on $(architectureObject) {
+SimpleTest [ MultiArchDefaultGristFiles linprog_test ] :
 	Program.cpp
 	:
-	be liblpsolve55.so linprog.a [ TargetLibsupc++ ] [ TargetLibstdc++ ]
+	be [ MultiArchDefaultGristFiles liblinprog.a ]
+		[ TargetLibsupc++ ] [ TargetLibstdc++ ]
 ;
+	}
+}

src/tests/libs/linprog/Program.cpp

@@ -4,7 +4,6 @@
  * Distributed under the terms of the MIT License.
  */
 
-#include <List.h>
 #include <SupportDefs.h>
 
 #include "LinearSpec.h"