Remove trailing whitespace in test suite. Approved by Marshall Clow.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@271435 91177308-0d34-0410-b5e6-96231b3b80d8

test/std/re/re.regex/re.regex.construct/awk_oct.pass.cpp

@@ -18,7 +18,7 @@
 #include <cassert>
 #include "test_macros.h"
 
-int main() 
+int main()
 {
     using std::regex_constants::awk;
 

test/std/re/re.regex/re.regex.construct/bad_escape.pass.cpp

@@ -19,7 +19,7 @@
 #include <cassert>
 #include "test_macros.h"
 
-static bool error_escape_thrown(const char *pat) 
+static bool error_escape_thrown(const char *pat)
 {
     bool result = false;
     try {
@@ -30,7 +30,7 @@ static bool error_escape_thrown(const char *pat)
     return result;
 }
 
-int main() 
+int main()
 {
     assert(error_escape_thrown("[\\a]"));
     assert(error_escape_thrown("\\a"));

test/std/re/re.regex/re.regex.construct/bad_repeat.pass.cpp

@@ -19,7 +19,7 @@
 #include <cassert>
 #include "test_macros.h"
 
-static bool error_badrepeat_thrown(const char *pat) 
+static bool error_badrepeat_thrown(const char *pat)
 {
     bool result = false;
     try {
@@ -30,7 +30,7 @@ static bool error_badrepeat_thrown(const char *pat)
     return result;
 }
 
-int main() 
+int main()
 {
     assert(error_badrepeat_thrown("?a"));
     assert(error_badrepeat_thrown("*a"));