add a period at the end of the comment, ignoring the fact that the comment would be hard pressed to be considered a sentence, but if it makes Bill happy...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58630 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/IPO/PartialSpecialization.cpp b/lib/Transforms/IPO/PartialSpecialization.cpp
index 486294d..a2a1a62 100644
--- a/lib/Transforms/IPO/PartialSpecialization.cpp
+++ b/lib/Transforms/IPO/PartialSpecialization.cpp
@@ -165,7 +165,7 @@
   }
 }
 
-/// scanDistribution - Construct a histogram of constants for arg of F at arg
+/// scanDistribution - Construct a histogram of constants for arg of F at arg.
 int PartSpec::scanDistribution(Function& F, int arg, 
                                std::map<Constant*, int>& dist) {
   bool hasIndirect = false;