Remove excess whitespace

src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp

@@ -5671,7 +5671,7 @@ address MacroAssembler::arrays_equals(Register a1, Register a2, Register tmp3,
     if (extra_length != 0) {
       // Increase loop counter by size of length field.
       addw(cnt1, cnt1, extra_length);
-      // We don't need cnt2 on that path. 
+      // We don't need cnt2 on that path.
     }
     // on most CPUs a2 is still "locked"(surprisingly) in ldrw and it's
     // faster to perform another branch before comparing a1 and a2