kernel/process: Use accessors instead of class members for referencing segment array

Using member variables for referencing the segments array increases the
size of the class in memory for little benefit. The same behavior can be
achieved through the use of accessors that just return the relevant
segment.

src/core/hle/kernel/process.cpp

@@ -142,9 +142,9 @@ void Process::LoadModule(SharedPtr<CodeSet> module_, VAddr base_addr) {
     };
 
     // Map CodeSet segments
-    MapSegment(module_->code, VMAPermission::ReadExecute, MemoryState::CodeStatic);
-    MapSegment(module_->rodata, VMAPermission::Read, MemoryState::CodeMutable);
-    MapSegment(module_->data, VMAPermission::ReadWrite, MemoryState::CodeMutable);
+    MapSegment(module_->CodeSegment(), VMAPermission::ReadExecute, MemoryState::CodeStatic);
+    MapSegment(module_->RODataSegment(), VMAPermission::Read, MemoryState::CodeMutable);
+    MapSegment(module_->DataSegment(), VMAPermission::ReadWrite, MemoryState::CodeMutable);
 }
 
 ResultVal<VAddr> Process::HeapAllocate(VAddr target, u64 size, VMAPermission perms) {