In lib/, change 'wanna' to 'want to'.

Found with codespell.

lib/curl_addrinfo.c

@@ -486,7 +486,7 @@ Curl_addrinfo *Curl_str2addr(char *address, int port)
  *
  * This is strictly for memory tracing and are using the same style as the
  * family otherwise present in memdebug.c. I put these ones here since they
- * require a bunch of structs I didn't wanna include in memdebug.c
+ * require a bunch of structs I didn't want to include in memdebug.c
  */
 
 void
@@ -506,7 +506,7 @@ curl_dofreeaddrinfo(struct addrinfo *freethis,
  *
  * This is strictly for memory tracing and are using the same style as the
  * family otherwise present in memdebug.c. I put these ones here since they
- * require a bunch of structs I didn't wanna include in memdebug.c
+ * require a bunch of structs I didn't want to include in memdebug.c
  */
 
 int

lib/hostip6.c

@@ -78,7 +78,7 @@
 #if defined(CURLDEBUG) && defined(HAVE_GETNAMEINFO)
 /* These are strictly for memory tracing and are using the same style as the
  * family otherwise present in memdebug.c. I put these ones here since they
- * require a bunch of structs I didn't wanna include in memdebug.c
+ * require a bunch of structs I didn't want to include in memdebug.c
  */
 
 /*