libr/anal/p/anal_arc.c: fix -Wparenthesis warning.
libr/core/bin.c: fix warnings: unused variables.
.gitignore: ignore more generated files.
shlr/rar/asm.c: fix warning due to using #if statements for comments.
libr/asm/arch/csr/dis.h: remove proto for a static function.
libr/bin/p/bin_dex.c: fix -Wunused-but-set-variable warning.
libr/asm/arch/8051/8051.c: comment out do8051assemble() for now, unused.
libr/asm/arch/z80/disasm.c: ParseOpcodes() is only used within MAIN_DIS definition.
libr/anal/ref.c: fix warning: use /**/ for multiline comments.
libr/anal/ref.c: r_anal_ref_add(): fix -Wreturn-type warning.
libr/include/r_anal.h: add missing r_anal_xrefs_deln() proto.
libr/parse/parse.c: fix -Wparenthesis warning.