tweaks: rename a variable, to distinguish it from a browser function

src/files.c

@@ -70,7 +70,7 @@ void make_new_buffer(void)
 		newnode->prev = newnode;
 		newnode->next = newnode;
 
-		firstfile = newnode;
+		startfile = newnode;
 	} else {
 		/* Add the new open file after the current one in the list. */
 		newnode->prev = openfile;

src/global.c

@@ -127,8 +127,10 @@ partition *filepart = NULL;
 		/* The "partition" where we store a portion of the current file. */
 openfilestruct *openfile = NULL;
 		/* The list of all open file buffers. */
-openfilestruct *firstfile = NULL;
+#ifdef ENABLE_MULTIBUFFER
+openfilestruct *startfile = NULL;
 		/* The first open buffer. */
+#endif
 
 #ifndef NANO_TINY
 char *matchbrackets = NULL;

src/nano.c

@@ -493,8 +493,8 @@ void copy_from_buffer(linestruct *somebuffer)
 /* Unlink a node from the rest of the circular list, and delete it. */
 void unlink_opennode(openfilestruct *fileptr)
 {
-	if (fileptr == firstfile)
-		firstfile = firstfile->next;
+	if (fileptr == startfile)
+		startfile = startfile->next;
 
 	fileptr->prev->next = fileptr->next;
 	fileptr->next->prev = fileptr->prev;

src/proto.h

@@ -98,7 +98,9 @@ extern bool keep_cutbuffer;
 
 extern partition *filepart;
 extern openfilestruct *openfile;
-extern openfilestruct *firstfile;
+#ifdef ENABLE_MULTIBUFFER
+extern openfilestruct *startfile;
+#endif
 
 #ifndef NANO_TINY
 extern char *matchbrackets;

src/winio.c

@@ -2023,7 +2023,7 @@ int buffer_number(openfilestruct *buffer)
 {
 	int count = 1;
 
-	while (buffer != firstfile) {
+	while (buffer != startfile) {
 		buffer = buffer->prev;
 		count++;
 	}
@@ -2088,7 +2088,7 @@ void titlebar(const char *path)
 		if (more_than_one) {
 			indicator = charalloc(24);
 			sprintf(indicator, "[%i/%i]", buffer_number(openfile),
-										buffer_number(firstfile->prev));
+										buffer_number(startfile->prev));
 			upperleft = indicator;
 		} else
 #endif