yuzu/util: Specify string conversions explicitly

Allows the util code to build with implicit string conversions disabled.

src/yuzu/util/util.cpp

@@ -8,7 +8,7 @@
 #include "yuzu/util/util.h"
 
 QFont GetMonospaceFont() {
-    QFont font("monospace");
+    QFont font(QStringLiteral("monospace"));
     // Automatic fallback to a monospace font on on platforms without a font called "monospace"
     font.setStyleHint(QFont::Monospace);
     font.setFixedPitch(true);
@@ -16,14 +16,16 @@ QFont GetMonospaceFont() {
 }
 
 QString ReadableByteSize(qulonglong size) {
-    static const std::array<const char*, 6> units = {"B", "KiB", "MiB", "GiB", "TiB", "PiB"};
-    if (size == 0)
-        return "0";
-    int digit_groups = std::min<int>(static_cast<int>(std::log10(size) / std::log10(1024)),
-                                     static_cast<int>(units.size()));
-    return QString("%L1 %2")
+    static constexpr std::array units{"B", "KiB", "MiB", "GiB", "TiB", "PiB"};
+    if (size == 0) {
+        return QStringLiteral("0");
+    }
+
+    const int digit_groups = std::min(static_cast<int>(std::log10(size) / std::log10(1024)),
+                                      static_cast<int>(units.size()));
+    return QStringLiteral("%L1 %2")
         .arg(size / std::pow(1024, digit_groups), 0, 'f', 1)
-        .arg(units[digit_groups]);
+        .arg(QString::fromUtf8(units[digit_groups]));
 }
 
 QPixmap CreateCirclePixmapFromColor(const QColor& color) {