rename the dwarf class to DwarfPrinter.  This matches the filename
and much more accurately describes what it is all about.

llvm-svn: 94233
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfException.h b/llvm/lib/CodeGen/AsmPrinter/DwarfException.h
index c674fe5..143e0e0 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfException.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfException.h
@@ -32,7 +32,7 @@
 //===----------------------------------------------------------------------===//
 /// DwarfException - Emits Dwarf exception handling directives.
 ///
-class DwarfException : public Dwarf {
+class DwarfException : public DwarfPrinter {
   struct FunctionEHFrameInfo {
     const MCSymbol *FunctionEHSym;  // L_foo.eh
     unsigned Number;