[lldb] Fix typos in file headers

This diff fixes typos in file headers (incorrect file names).

Test plan:

Under llvm/tools/lldb/source:
find ./* -type f | grep -e '\(cpp\|h\)$' | while read F; do B=$(basename $F); echo $F head -n 1 $F | grep -v $B | wc -l ; done

Differential revision: https://reviews.llvm.org/D27115

llvm-svn: 287966

lldb/source/API/SBFileSpecList.cpp

@@ -1,5 +1,4 @@
-//===-- SBFileSpecListList.cpp ------------------------------------------*- C++
-//-*-===//
+//===-- SBFileSpecList.cpp --------------------------------------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //