[PATCH] fix alpha objstrip.c compilation warnings

[Meelis Roos <mroos@linux.ee>]

In current 2.6.23-rc1+git, make bootimage gives the following warnings 
while compiling objstrip.c. The patch below fixes these warnings by 
casting strncmp argument to char * - it does not seem feasible to change 
its type in struct elfhdr.

  HOSTCC  arch/alpha/boot/tools/objstrip
arch/alpha/boot/tools/objstrip.c: In function 'main':
arch/alpha/boot/tools/objstrip.c:147: warning: pointer targets in passing argument 1 of 'strlen' differ in signedness
arch/alpha/boot/tools/objstrip.c:147: warning: pointer targets in passing argument 1 of 'strlen' differ in signedness
arch/alpha/boot/tools/objstrip.c:147: warning: pointer targets in passing argument 1 of '__builtin_strcmp' differ in signedness
arch/alpha/boot/tools/objstrip.c:147: warning: pointer targets in passing argument 1 of 'strlen' differ in signedness
arch/alpha/boot/tools/objstrip.c:147: warning: pointer targets in passing argument 1 of '__builtin_strcmp' differ in signedness
arch/alpha/boot/tools/objstrip.c:147: warning: pointer targets in passing argument 1 of '__builtin_strcmp' differ in signedness
arch/alpha/boot/tools/objstrip.c:147: warning: pointer targets in passing argument 1 of '__builtin_strcmp' differ in signedness
arch/alpha/boot/tools/objstrip.c:147: warning: pointer targets in passing argument 1 of 'strncmp' differ in signedness

Signed-off-by: Meelis Roos <mroos@linux.ee>

diff --git a/arch/alpha/boot/tools/objstrip.c b/arch/alpha/boot/tools/objstrip.c
index 96154e7..ef18382 100644
--- a/arch/alpha/boot/tools/objstrip.c
+++ b/arch/alpha/boot/tools/objstrip.c
@@ -144,7 +144,7 @@ main (int argc, char *argv[])
 #ifdef __ELF__
     elf = (struct elfhdr *) buf;
 
-    if (elf->e_ident[0] == 0x7f && strncmp(elf->e_ident + 1, "ELF", 3) == 0) {
+    if (elf->e_ident[0] == 0x7f && strncmp((char *)elf->e_ident + 1, "ELF", 3) == 0) {
 	if (elf->e_type != ET_EXEC) {
 	    fprintf(stderr, "%s: %s is not an ELF executable\n",
 		    prog_name, inname);

-- 
Meelis Roos (mroos@linux.ee)
-
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