Fixes some cast warnings, partial port of citra #3064 (#106)

* Fixes some cast warnings, partially fixes citra #3064

* Converted casts to uint32_t to u32

* Ran clang-format

src/core/hle/kernel/condition_variable.cpp

@@ -43,7 +43,7 @@ void ConditionVariable::Acquire(Thread* thread) {
 ResultCode ConditionVariable::Release(s32 target) {
     if (target == -1) {
         // When -1, wake up all waiting threads
-        SetAvailableCount(GetWaitingThreads().size());
+        SetAvailableCount(static_cast<s32>(GetWaitingThreads().size()));
         WakeupAllWaitingThreads();
     } else {
         // Otherwise, wake up just a single thread

src/core/hle/kernel/hle_ipc.cpp

@@ -210,7 +210,7 @@ ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(u32_le* dst_cmdbuf, P
 
         for (auto& object : domain_objects) {
             request_handlers.emplace_back(object);
-            dst_cmdbuf[domain_offset++] = request_handlers.size();
+            dst_cmdbuf[domain_offset++] = static_cast<u32_le>(request_handlers.size());
         }
     }
     return RESULT_SUCCESS;

src/core/hle/service/vi/vi.cpp

@@ -95,7 +95,7 @@ public:
 
         Header header{};
         header.data_offset = sizeof(Header);
-        header.data_size = write_index - sizeof(Header);
+        header.data_size = static_cast<u32_le>(write_index - sizeof(Header));
         std::memcpy(buffer.data(), &header, sizeof(Header));
 
         return buffer;