Fix OS X build.

sourcepawn/jit/AMBuilder

@@ -15,6 +15,9 @@ compiler['CXXINCLUDES'].append(os.path.join(base, 'knight', 'shared'))
 if AMBuild.target['platform'] == 'linux':
 	compiler['POSTLINKFLAGS'].append('-lpthread')
 	compiler['POSTLINKFLAGS'].append('-lrt')
+if AMBuild.target['platform'] == 'darwin':
+	compiler['POSTLINKFLAGS'].append('-lpthread')
+	compiler['POSTLINKFLAGS'].append('-ldl')
 
 extension = AMBuild.AddJob('sourcepawn.jit.x86')
 binary = Cpp.LibraryBuilder('sourcepawn.jit.x86', AMBuild, extension, compiler)

sourcepawn/jit/x86/jit_x86.cpp

@@ -217,7 +217,6 @@ GenerateArray(BaseRuntime *rt, uint32_t argc, cell_t *argv, int autozero)
   if (argv[0] <= 0)
     return SP_ERROR_ARRAY_TOO_BIG;
 
-  uint32_t dim = 1;         // second to last dimension
   uint32_t cells = argv[0];
 
   for (uint32_t dim = 1; dim < argc; dim++) {