bogus main declaration in gdb.base/label.c

[David Blaikie <dblaikie@gmail.com>]

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The declaration of main in gdb.base/label.c is incorrect & fails to
compile under Clang:

../../../src/gdb/7.5/gdb/testsuite/gdb.base/label.c:4:1: error: second
parameter of 'main' (argument array) must be of type 'char **'
main (int argc, char *argv)
^

The attached patch fixes this by adding the missing '*' to the second parameter.

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diff --git gdb/testsuite/gdb.base/label.c gdb/testsuite/gdb.base/label.c
index f9cd8c3..c15e3bf 100644
--- gdb/testsuite/gdb.base/label.c
+++ gdb/testsuite/gdb.base/label.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 
 int
-main (int argc, char *argv)
+main (int argc, char **argv)
 {
   int i = 0;
   goto there;