Fix Dead Store (Dead assignement/Dead increment) warning found by Clang Analyzer
Fix Dead Store (Dead assignement/Dead increment) warning found by Clang Analyzer
Fix Dead Store (Dead assignement/Dead increment) warning found by Clang Analyzer
Fix Dead Store (Dead assignement/Dead increment) warning found by Clang Analyzer
Fix Address of stack memory associated with local variable 'flag' is still
referred to by the global variable 'long_options' upon returning to the caller.
This will be a dangling reference

Found by Clang Analyzer
Code cleanup, include nghttp2_int.h explicitly to ensure debug macro
Fix 0 size malloc
Fix compiler warnings