cleanup: scope reduction

[app/channel.cpp:102]:   (style) The scope of the variable 'resp' can be reduced.
[ipmisensor.cpp:310]:    (style) The scope of the variable 'i' can be reduced.
[ipmid.cpp:506]:         (style) The scope of the variable 'num_handlers' can be reduced.
[read_fru_data.cpp:82]:  (style) The scope of the variable 'fruId' can be reduced.
[sensorhandler.cpp:256]: (style) The scope of the variable 'p' can be reduced.
[storageaddsel.cpp:68]:  (style) The scope of the variable 'p' can be reduced.

Also delete two extra vertical lines.

Change-Id: I8e72f8e1d94381f456674abf523d2f2fbdd8046d
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/ipmid.cpp b/ipmid.cpp
index 2d48bfe..10b41d4 100644
--- a/ipmid.cpp
+++ b/ipmid.cpp
@@ -505,7 +505,6 @@
 {
     // For walking the ipmi_lib_path
     struct dirent** handler_list;
-    int num_handlers = 0;
 
     // This is used to check and abort if someone tries to register a bad one.
     void* lib_handler = NULL;
@@ -528,7 +527,7 @@
         // already a .so, adding one more is not any harm.
         handler_fqdn += "/";
 
-        num_handlers =
+        int num_handlers =
             scandir(ipmi_lib_path, &handler_list, handler_select, alphasort);
         if (num_handlers < 0)
             return;