Fixed a few obvious errors pointed out by the static analyzer.

llvm-svn: 181911
diff --git a/lldb/source/Expression/IRMemoryMap.cpp b/lldb/source/Expression/IRMemoryMap.cpp
index 28c3e5d..3b19e84 100644
--- a/lldb/source/Expression/IRMemoryMap.cpp
+++ b/lldb/source/Expression/IRMemoryMap.cpp
@@ -70,7 +70,7 @@
     
     for (int iterations = 0; iterations < 16; ++iterations)
     {
-        lldb::addr_t candidate;
+        lldb::addr_t candidate = LLDB_INVALID_ADDRESS;
         
         switch (target_sp->GetArchitecture().GetAddressByteSize())
         {