Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild

Pull kbuild changes from Michal Marek:
 "The kbuild changes are minimal this time:

   - scripts/pnmlogo fix for some newer format

   - minor top-level Makefile cleanup

   - fix for a v3.5 regression with make clean M=<directory>"

* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  kbuild: Do not remove vmlinux when cleaning external module
  scripts/pnmtologo: fix for plain PBM
  kbuild: Remove reference to uninitialised variable

scripts/pnmtologo.c

@@ -74,6 +74,7 @@ static unsigned int logo_height;
 static struct color **logo_data;
 static struct color logo_clut[MAX_LINUX_LOGO_COLORS];
 static unsigned int logo_clutsize;
+static int is_plain_pbm = 0;
 
 static void die(const char *fmt, ...)
     __attribute__ ((noreturn)) __attribute ((format (printf, 1, 2)));
@@ -103,6 +104,11 @@ static unsigned int get_number(FILE *fp)
     val = 0;
     while (isdigit(c)) {
 	val = 10*val+c-'0';
+	/* some PBM are 'broken'; GiMP for example exports a PBM without space
+	 * between the digits. This is Ok cause we know a PBM can only have a '1'
+	 * or a '0' for the digit. */
+	if (is_plain_pbm)
+		break;
 	c = fgetc(fp);
 	if (c == EOF)
 	    die("%s: end of file\n", filename);
@@ -167,6 +173,7 @@ static void read_image(void)
     switch (magic) {
 	case '1':
 	    /* Plain PBM */
+	    is_plain_pbm = 1;
 	    for (i = 0; i < logo_height; i++)
 		for (j = 0; j < logo_width; j++)
 		    logo_data[i][j].red = logo_data[i][j].green =