healthd: Improve readability of BatteryMonitor::init()

Declare and assign in a single statement instead of in two separate
statements. This patch does not change any functionality.

Test: Compile-tested only.
Change-Id: I0798cc940f5f2ca329548568ab68e96891521dd8
Signed-off-by: Bart Van Assche <bvanassche@google.com>
diff --git a/healthd/BatteryMonitor.cpp b/healthd/BatteryMonitor.cpp
index 18076fb..4bc9c1c 100644
--- a/healthd/BatteryMonitor.cpp
+++ b/healthd/BatteryMonitor.cpp
@@ -608,13 +608,13 @@
 
         while ((entry = readdir(dir.get()))) {
             const char* name = entry->d_name;
-            std::vector<String8>::iterator itIgnoreName;
 
             if (!strcmp(name, ".") || !strcmp(name, ".."))
                 continue;
 
-            itIgnoreName = find(hc->ignorePowerSupplyNames.begin(),
-                                hc->ignorePowerSupplyNames.end(), String8(name));
+            std::vector<String8>::iterator itIgnoreName =
+                    find(hc->ignorePowerSupplyNames.begin(), hc->ignorePowerSupplyNames.end(),
+                         String8(name));
             if (itIgnoreName != hc->ignorePowerSupplyNames.end())
                 continue;