tweaks: fix several whitespace irregularities

Add missing spaces, remove excess spaces, and
replace groups of indentation spaces with tabs.

src/global.c

@@ -728,7 +728,7 @@ void shortcut_init(void)
     add_to_funcs(do_research, MHELP, whereis_next_tag, "x", 0, VIEW);
 
     add_to_funcs(do_up_void, MHELP, prev_line_tag, "x", 0, VIEW);
-    add_to_funcs(do_down_void, MHELP, next_line_tag, "x" , 0, VIEW);
+    add_to_funcs(do_down_void, MHELP, next_line_tag, "x", 0, VIEW);
 #endif
 
     add_to_funcs(do_cut_text_void, MMAIN,

src/nano.c

@@ -1386,7 +1386,7 @@ void do_toggle(int flag)
 	case MORE_SPACE:
 	case NO_HELP:
 	    window_init();
-	    focusing=FALSE;
+	    focusing = FALSE;
 	    total_refresh();
 	    break;
 	case SUSPEND:

src/utils.c

@@ -77,8 +77,7 @@ int digits(ssize_t n)
 		return 6;
 	    else
 		return 7;
-        }
-        else {
+	} else {
 	    if (n < 100000000)
 		return 8;
 	    else

src/winio.c

@@ -2014,7 +2014,7 @@ void titlebar(const char *path)
     prefixlen = strlenpt(prefix);
     if (prefixlen > 0)
 	prefixlen++;
-    pathlen= strlenpt(path);
+    pathlen = strlenpt(path);
     statelen = strlenpt(state) + 2;
     if (statelen > 2) {
 	pathlen++;