Cleanup Whitespace in unittest/ directory

Cleanup unnecessary whitespace at the end of lines and end of files
in the unittest/ directory. Note that all code changes are
non-functional.

All new code of the whole pull request, including one or several files
that are either new files or modified ones, are contributed under the
BSD-new license. I am contributing on behalf of my employer Amazon Web
Services, Inc.

unittest/sql/CMakeLists.txt

@@ -1,14 +1,14 @@
 # Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; version 2 of the License.
-# 
+#
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1335 USA

unittest/sql/explain_filename-t.cc

@@ -163,4 +163,3 @@ int main(int argc __attribute__((unused)),char *argv[])
   my_end(0);
   return exit_status();
 }
-

unittest/sql/mf_iocache-t.cc

@@ -123,8 +123,8 @@ void temp_io_cache()
 
   diag("temp io_cache with%s encryption", encrypt_tmp_files?"":"out");
 
-  init_io_cache_encryption();  
-  
+  init_io_cache_encryption();
+
   res= open_cached_file(&info, 0, 0, CACHE_SIZE, 0);
   ok(res == 0, "open_cached_file" INFO_TAIL);
 

unittest/sql/my_apc-t.cc

@@ -29,9 +29,9 @@
   A fake THD with enter_cond/exit_cond and some other members.
 */
 PSI_stage_info stage_show_explain;
-class THD 
+class THD
 {
-  mysql_mutex_t* thd_mutex; 
+  mysql_mutex_t* thd_mutex;
 public:
   bool killed;
 
@@ -81,7 +81,7 @@ int int_rand(int size)
   return (int) (0.5 + ((double)rand() / RAND_MAX) * size);
 }
 
-/* 
+/*
   APC target thread (the one that will serve the APC requests). We will have
   one target.
 */
@@ -119,7 +119,7 @@ void *test_apc_service_thread(void *ptr)
 class Apc_order : public Apc_target::Apc_call
 {
 public:
-  int value;   // The value 
+  int value;   // The value
   int *where_to;  // Where to write it
   Apc_order(int a, int *b) : value(a), where_to(b) {}
 
@@ -202,7 +202,7 @@ int main(int args, char **argv)
     my_sleep(1000);
   for (i = 0; i < N_THREADS; i++)
     pthread_create(&request_thr[i], NULL, test_apc_requestor_thread, (void*)NULL);
-  
+
   for (i = 0; i < 15; i++)
   {
     my_sleep(500*1000);
@@ -212,7 +212,7 @@ int main(int args, char **argv)
   requestors_should_exit= TRUE;
   for (i = 0; i < N_THREADS; i++)
     pthread_join(request_thr[i], NULL);
-  
+
   diag("Shutting down service");
   service_should_exit= TRUE;
   pthread_join(service_thr, NULL);
@@ -226,4 +226,3 @@ int main(int args, char **argv)
   ok1(!have_errors);
   return exit_status();
 }
-

unittest/sql/my_json_writer-t.cc

@@ -30,7 +30,7 @@ class Json_writer;
 
 
 /* Several fake objects */
-class Opt_trace 
+class Opt_trace
 {
 public:
   void enable_tracing_if_required() {}
@@ -38,7 +38,7 @@ public:
   Json_writer *get_current_json() { return nullptr; }
 };
 
-class THD 
+class THD
 {
 public:
   Opt_trace opt_trace;
@@ -60,7 +60,7 @@ int main(int args, char **argv)
   {
     Json_writer w;
     w.start_object();
-    w.add_member("foo"); 
+    w.add_member("foo");
     w.end_object();
     ok(w.invalid_json, "Started a name but didn't add a value");
   }
@@ -143,4 +143,3 @@ int main(int args, char **argv)
 
   return exit_status();
 }
-