man page syntax fixups

doc/man/man3/notcurses_init.3.md

@@ -23,8 +23,7 @@ typedef struct notcurses_options {
 } notcurses_options;
 ```
 
-**struct notcurses*
-notcurses_init(const struct notcurses_options* opts, FILE* fp);**
+**struct notcurses* notcurses_init(const struct notcurses_options* opts, FILE* fp);**
 
 # DESCRIPTION
 

doc/man/man3/notcurses_stdplane.3.md

@@ -10,11 +10,9 @@ notcurses_stdplane - acquire the standard ncplane
 
 **#include <notcurses.h>**
 
-**struct ncplane*
-notcurses_stdplane(struct notcurses* nc);**
+**struct ncplane* notcurses_stdplane(struct notcurses* nc);**
 
-**const struct ncplane*
-notcurses_const_stdplane(const struct notcurses* nc);**
+**const struct ncplane* notcurses_const_stdplane(const struct notcurses* nc);**
 
 # DESCRIPTION