Solaris: fix build on htop 3.0 branch

solaris/Platform.h

@@ -14,6 +14,7 @@ in the source distribution for its full text.
 #include "Action.h"
 #include "BatteryMeter.h"
 #include "SignalsPanel.h"
+#include "SolarisProcess.h"
 #include <signal.h>
 #include <sys/mkdev.h>
 #include <sys/proc.h>

solaris/SolarisProcess.c

@@ -170,14 +170,14 @@ void SolarisProcess_writeField(Process* this, RichString* str, ProcessField fiel
 long SolarisProcess_compare(const void* v1, const void* v2) {
    SolarisProcess *p1, *p2;
    Settings* settings = ((Process*)v1)->settings;
-   if (settings->direction == 1) {
+   if (settings->ss->direction == 1) {
       p1 = (SolarisProcess*)v1;
       p2 = (SolarisProcess*)v2;
    } else {
       p2 = (SolarisProcess*)v1;
       p1 = (SolarisProcess*)v2;
    }
-   switch ((int) settings->sortKey) {
+   switch ((int) settings->ss->sortKey) {
    case ZONEID:
       return (p1->zoneid - p2->zoneid);
    case PROJID: