[PATCH] Fix thumbv4t indirect calls

[Tim Northover]

This looks pretty much fine, just one tiny niggle on naming (feel free to commit with that change):

================
Comment at: lib/Target/ARM/ARMAsmPrinter.cpp:1311-1312
@@ +1310,4 @@
+
+    unsigned tReg = MI->getOperand(0).getReg();
+    MCSymbol *TRegSym = nullptr;
+    for (unsigned i = 0, e = ThumbIndirectPads.size(); i < e; i++) {
----------------
These names aren't consistently capitalised.

http://reviews.llvm.org/D6519