Tidy up some C-isms.

Change-Id: I53b457cab9067369320457549071fc3e4c23c81b
diff --git a/src/compiler/codegen/Ralloc.h b/src/compiler/codegen/Ralloc.h
index 2169082..671dffe 100644
--- a/src/compiler/codegen/Ralloc.h
+++ b/src/compiler/codegen/Ralloc.h
@@ -95,7 +95,7 @@
 extern void oatResetDefLoc(CompilationUnit* cUnit, RegLocation rl);
 
 /* Set up temp & preserved register pools specialized by target */
-extern void oatInitPool(struct RegisterInfo* regs, int* regNums, int num);
+extern void oatInitPool(RegisterInfo* regs, int* regNums, int num);
 
 /*
  * Mark the beginning and end LIR of a def sequence.  Note that