vimrc: Switched key for background toggle, repaired bg check

.gnupg/gpg-agent.conf

@@ -2,5 +2,4 @@ default-cache-ttl 18000
 max-cache-ttl 86400
 ignore-cache-for-signing
 write-env-file
-scdaemon-program /usr/bin/gnupg-pkcs11-scd
-pinentry-program /usr/bin/pinentry
+pinentry-program /data/data/com.termux/files/usr/bin/pinentry-curses

.vimrc

@@ -52,12 +52,12 @@ augroup XML
     autocmd FileType xml :%foldopen!
 augroup END
 
-if "$VIM_COLORSCHEME" == "light"
+if $VIM_COLORSCHEME == "light"
     set background=light
 endif
 set termguicolors
 colorscheme solarized
-call togglebg#map("<Leader>b")
+call togglebg#map("<Leader>t")
 let load_doxygen_syntax = 1
 let g:airline_powerline_fonts = 1
   if !exists('g:airline_symbols')