File gcc15-conflicting-types.patch of Package unrtf

malloc() is already declared in stdlib.h
Origin: Alpine linux
https://gitlab.alpinelinux.org/alpine/aports/-/blob/master/community/unrtf/gcc15-conflicting-types.patch

--- a/src/malloc.c
+++ b/src/malloc.c
@@ -165,7 +165,6 @@ my_strdup(char *src)
 #include <sys/types.h>
 #undef malloc
 
-void *malloc();
 
 /* Allocate an N-byte block of memory from the heap.
 If N is zero, allocate a 1-byte block.  */