Some fixes...

* read_config_file.c: initialise pt stack argument to stop warning
* summary.c: make show_summary() obey -C for demangaling function names
diff --git a/sysdeps/linux-gnu/arm/plt.c b/sysdeps/linux-gnu/arm/plt.c
index 635b4ce..1dae91f 100644
--- a/sysdeps/linux-gnu/arm/plt.c
+++ b/sysdeps/linux-gnu/arm/plt.c
@@ -2,8 +2,7 @@
 #include "ltrace.h"
 #include "elf.h"
 
-GElf_Addr
-arch_plt_sym_val (struct ltelf *lte, size_t ndx, GElf_Rela *rela)
+GElf_Addr arch_plt_sym_val(struct ltelf * lte, size_t ndx, GElf_Rela * rela)
 {
-  return lte->plt_addr + 20 + ndx * 12;
+	return lte->plt_addr + 20 + ndx * 12;
 }