[libcxx] [test] Strip trailing whitespace. NFC.

llvm-svn: 334676
diff --git a/libcxx/test/std/re/re.regex/re.regex.construct/deduct.pass.cpp b/libcxx/test/std/re/re.regex/re.regex.construct/deduct.pass.cpp
index 5dbd2f1..31f047c 100644
--- a/libcxx/test/std/re/re.regex/re.regex.construct/deduct.pass.cpp
+++ b/libcxx/test/std/re/re.regex/re.regex.construct/deduct.pass.cpp
@@ -16,7 +16,7 @@
 // basic_regex(ForwardIterator, ForwardIterator,
 //             regex_constants::syntax_option_type = regex_constants::ECMAScript)
 // -> basic_regex<typename iterator_traits<ForwardIterator>::value_type>;
-        
+
 
 #include <regex>
 #include <string>
@@ -34,7 +34,7 @@
 
 int main()
 {
-  
+
 //  Test the explicit deduction guides
     {
 //  basic_regex(ForwardIterator, ForwardIterator)
@@ -54,7 +54,7 @@
     assert(re.flags() == std::regex_constants::basic);
     assert(re.mark_count() == 1);
     }
-    
+
 //  Test the implicit deduction guides
     {
 //  basic_regex(string);
@@ -87,7 +87,7 @@
     assert(re.flags() == std::regex_constants::grep);
     assert(re.mark_count() == 0);
     }
-    
+
     {
 //  basic_regex(const charT*, size_t);
     std::basic_regex re("ABCDEDEF", 7);