*: Fix some typos found by oni-link

src/nvim/ex_getln.c

@@ -2501,7 +2501,6 @@ static bool color_cmdline(CmdlineInfo *colored_ccline)
     can_free_cb = true;
   } else if (colored_ccline->cmdfirstc == '=') {
     color_expr_cmdline(colored_ccline, ccline_colors);
-    can_free_cb = false;
   }
   if (!tl_ret || !dgc_ret) {
     goto color_cmdline_error;

src/nvim/generators/gen_declarations.lua

@@ -169,10 +169,10 @@ Usage:
 
     gendeclarations.lua definitions.c static.h non-static.h definitions.i
 
-Generates declarations for a C file defitions.c, putting declarations for
+Generates declarations for a C file definitions.c, putting declarations for
 static functions into static.h and declarations for non-static functions into
 non-static.h. File `definitions.i' should contain an already preprocessed
-version of defintions.c and it is the only one which is actually parsed,
+version of definitions.c and it is the only one which is actually parsed,
 definitions.c is needed only to determine functions from which file out of all
 functions found in definitions.i are needed.
 
@@ -181,7 +181,7 @@ Additionally uses the following environment variables:
     NVIM_GEN_DECLARATIONS_LINE_NUMBERS:
         If set to 1 then all generated declarations receive a comment with file
         name and line number after the declaration. This may be useful for
-        debugging gen_declarations script, but not much beyound that with 
+        debugging gen_declarations script, but not much beyond that with
         configured development environment (i.e. with ctags/cscope/finding
         definitions with clang/etc).
 

src/nvim/keymap.c

@@ -714,7 +714,7 @@ int find_special_key_in_table(int c)
 ///                   with "t_" the next two characters are interpreted as
 ///                   a termcap name.
 ///
-/// @return Key code or 0 if ton found.
+/// @return Key code or 0 if not found.
 int get_special_key_code(const char_u *name)
   FUNC_ATTR_NONNULL_ALL FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT
 {