tests/tcg/aarch64: Add newline in pauth-1 printf

Make the output just a bit prettier when running by hand.

Cc: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: NRichard Henderson <richard.henderson@linaro.org>
Message-id: 20200229012811.24129-13-richard.henderson@linaro.org
Reviewed-by: NPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

tests/tcg/aarch64/pauth-1.c

@@ -29,7 +29,7 @@ int main()
     }
 
     perc = (float) count / (float) (TESTS * 2);
-    printf("Ptr Check: %0.2f%%", perc * 100.0);
+    printf("Ptr Check: %0.2f%%\n", perc * 100.0);
     assert(perc > 0.95);
     return 0;
 }