Update Interpreter CPU.h

Change multi line comment to single line and fix capitalization

Source/RSP/Interpreter CPU.h

@@ -12,10 +12,9 @@
 
 extern DWORD RSP_NextInstruction, RSP_JumpTo, RSP_MfStatusCount;
 
-/*
- * standard MIPS PC-relative branch
- * returns the new PC, based on whether the condition passes
- */
+// Standard MIPS PC-relative branch
+// Returns the new PC, based on whether the condition passes
+
 unsigned int RSP_branch_if(int condition);
 
 void BuildInterpreterCPU(void);