dummy data should be static

src/JSystem/J2DGraph/J2DPrint.cpp

@@ -560,6 +560,6 @@ f32 J2DPrint::getNumberF32(const u8** param_1, f32 param_2, f32 param_3, int bas
     return uVar2;
 }
 
-void dummy2() {
+static void dummy2() {
     OSReport("buff != 0");
 }

src/JSystem/JUtility/JUTXfb.cpp

@@ -108,7 +108,7 @@ void JUTXfb::initiate(u16 width, u16 height, JKRHeap* pHeap, JUTXfb::EXfbNumber
     }
 }
 
-void dummy() {
+static void dummy() {
 	OSReport("JX:: disp = %d\n");
 	OSReport("JX:: drawing %d -> ");
 	OSReport("%d\n");