Use the container form llvm::sort(C, ...)

There are a few leftovers in rL343163 which span two lines. This commit
changes these llvm::sort(C.begin(), C.end, ...) to llvm::sort(C, ...)

llvm-svn: 343426
diff --git a/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp b/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp
index b4da53f..625b354 100644
--- a/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp
+++ b/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp
@@ -275,11 +275,10 @@
       write(Len);
       write(Number);
 
-      llvm::sort(
-          SortedLinesByFile.begin(), SortedLinesByFile.end(),
-          [](StringMapEntry<GCOVLines> *LHS, StringMapEntry<GCOVLines> *RHS) {
-            return LHS->getKey() < RHS->getKey();
-          });
+      llvm::sort(SortedLinesByFile, [](StringMapEntry<GCOVLines> *LHS,
+                                       StringMapEntry<GCOVLines> *RHS) {
+        return LHS->getKey() < RHS->getKey();
+      });
       for (auto &I : SortedLinesByFile)
         I->getValue().writeOut();
       write(0);