docs: Fix section header committed in r264575

Ensure the length of the header underline matches the length of the header.
This prevents SPHINX from erroring on this file and consequently not updating
the documentation.

Also, make this its own point not belonging to the 'increased applicability'
section.

llvm-svn: 264592

diff --git a/polly/docs/ReleaseNotes.rst b/polly/docs/ReleaseNotes.rst
index d2181ed..16b0c4b 100644 (file)
--- a/polly/docs/ReleaseNotes.rst
+++ b/polly/docs/ReleaseNotes.rst
@@ -71,7 +71,7 @@ access only memory accessible through pointer arguments. See also the function
 attributes ``readonly`` and ``argmemonly`` for more information.
 
 Fine-grain dependences analysis
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+-------------------------------
 
 In addition of the ScopStmt wise dependences analysis, now the "polly-dependence"
 pass provides dependences analysis at memory reference wise and memory access wise.