fix(.gitignore): remove .clangd from ignored files

feuille was being killed by SIGPIPE when it tried to send data to an
already closed socket (e.g. when someone did a nmap scan on feuille's
port.)

.gitignore

@@ -1,5 +1,3 @@
-.clangd
-
 *.o
 
 feuille

feuille.c

@@ -270,6 +270,11 @@ int main(int argc, char *argv[])
         daemon(1, 0);
     }
 
+    /* ignore most signals that could kill feuille */
+    verbose(3, "ignoring signals that could kill feuille...");
+
+    signal(SIGPIPE, SIG_IGN); /* when send(2) or write(2) fails */
+
 
     /* chroot and drop root permissions */
     if (getuid() == 0) {

server.c

@@ -221,7 +221,7 @@ char *read_paste(int connection)
     if (total_size == 0) {
         /* yup, free the buffer and return an error */
         if (errno != EAGAIN)
-            errno = ENOENT;
+            errno  = ENOENT;
 
         free(buffer);
         return NULL;