net-analyzer/pathload: improve clang16/c2x fixes

Did not need much more to drop gnu89, and this could
potentially have caused issues with clang16 either way.

Signed-off-by: Ionen Wolkens <ionen@gentoo.org>

net-analyzer/pathload/files/pathload-1.3.2-clang16.patch

@@ -8,3 +8,27 @@ https://bugs.gentoo.org/870661
 -main(){return(0);}
 +int main(void){return(0);}
  EOF
+--- a/pathload_rcv.h
++++ b/pathload_rcv.h
+@@ -85,3 +85,3 @@
+ EXTERN l_int32 get_sndr_time_interval(double snd_time[],double *sum);
+-EXTERN void sig_alrm();
++EXTERN void sig_alrm(int __attribute__((__unused__)) unused);
+ EXTERN void terminate_gracefully(struct timeval exp_start_time);
+@@ -100,3 +100,3 @@
+ EXTERN void help();
+-EXTERN void sig_sigusr1() ;
++EXTERN void sig_sigusr1(int __attribute__((__unused__)) unused) ;
+ 
+--- a/pathload_rcv_func.c
++++ b/pathload_rcv_func.c
+@@ -669,3 +669,3 @@
+ 
+-void sig_sigusr1()
++void sig_sigusr1(int __attribute__((__unused__)) unused)
+ {
+@@ -674,3 +674,3 @@
+ 
+-void sig_alrm()
++void sig_alrm(int __attribute__((__unused__)) unused)
+ {

net-analyzer/pathload/pathload-1.3.2-r1.ebuild

@@ -3,7 +3,7 @@
 
 EAPI=8
 
-inherit flag-o-matic toolchain-funcs
+inherit toolchain-funcs
 
 DESCRIPTION="Non-intrusive utility for estimation of available bandwidth of Internet paths"
 HOMEPAGE="https://www.cc.gatech.edu/fac/constantinos.dovrolis/bw-est/pathload.html"
@@ -21,7 +21,6 @@ PATCHES=(
 
 src_configure() {
 	tc-export CC
-	append-cflags -std=gnu89 # old codebase, incompatible with c2x
 
 	default
 }