Duplicate sentences regarding --resolve

[jidanni]

On the curl man page it seems these two sentences should be combined into one.

This option can be used many times to add many host names to resolve.

--resolve can be used several times in a command line

Or at least add a period on the end of the latter.

[bagder]

This should probably have been an issue.

#12295

[bagder]

Fixed in 6d558cb