Breakpad: Avoid warnings building with G++ 4.4.1 using -O3 -Wall.

src/processor/minidump.cc:1067: warning: format ‘%llx’ expects type ‘long long unsigned int’, but argument 3 has type ‘unsigned int’
src/processor/stackwalker_arm.cc:83: warning: unused variable ‘last_frame’
src/processor/minidump_stackwalk.cc:163: warning: ‘trust_name’ may be used uninitialized in this function

a=jimblandy, r=ted.mielczarek


git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@481 4c0a9323-5329-0410-9bdc-e9ce6186880e

src/processor/stackwalker_arm.cc

@@ -80,9 +80,6 @@ StackFrame* StackwalkerARM::GetCallerFrame(
     return NULL;
   }
 
-  StackFrameARM *last_frame = static_cast<StackFrameARM*>(
-      stack->frames()->back());
-
   // TODO: Can't actually walk the stack on ARM without the CFI data.
   // Implement this when the CFI symbol dumper changes have landed.
   return NULL;