fix whitespace in the samples in ReDoS.qhelp

Author: erik-krogh

java/ql/src/Security/CWE/CWE-730/ReDoS.qhelp

@@ -25,8 +25,7 @@
 			the two branches of the alternative inside the repetition:
 		</p>
 		<sample language="java">
-			^_(__|[^_])+_$
-		</sample>
+^_(__|[^_])+_$</sample>
 	</example>
 
 	<include src="ReDoSReferences.inc.qhelp"/>

javascript/ql/src/Performance/ReDoS.qhelp

@@ -25,8 +25,7 @@
 			the two branches of the alternative inside the repetition:
 		</p>
 		<sample language="javascript">
-			/^_(__|[^_])+_$/
-		</sample>
+/^_(__|[^_])+_$/</sample>
 	</example>
 
 	<include src="ReDoSReferences.inc.qhelp"/>

python/ql/src/Security/CWE-730/ReDoS.qhelp

@@ -25,8 +25,7 @@
 			the two branches of the alternative inside the repetition:
 		</p>
 		<sample language="python">
-			^_(__|[^_])+_$
-		</sample>
+^_(__|[^_])+_$</sample>
 	</example>
 
 	<include src="ReDoSReferences.inc.qhelp"/>

ruby/ql/src/queries/security/cwe-1333/ReDoS.qhelp

@@ -21,8 +21,7 @@
       repetition:
     </p>
     <sample language="ruby">
-      /^_(__|[^_])+_$/
-    </sample>
+/^_(__|[^_])+_$/</sample>
   </example>
   <include src="ReDoSReferences.inc.qhelp"/>
 </qhelp>