Convert tabs to spaces

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21438 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Config/alloca.h

@@ -7,9 +7,9 @@
  ******************************************************************************
  *
  * Description:
- *	This header file includes the infamous alloc.h header file if the
- *	autoconf system has found it.  It hides all of the autoconf details
- *	from the rest of the application source code.
+ *  This header file includes the infamous alloc.h header file if the
+ *  autoconf system has found it.  It hides all of the autoconf details
+ *  from the rest of the application source code.
  */
 
 #ifndef _CONFIG_ALLOC_H
@@ -19,9 +19,9 @@
 
 /*
  * This is a modified version of that suggested by the Autoconf manual.
- *	1) The #pragma is indented so that pre-ANSI C compilers ignore it.
- *	2) If alloca.h cannot be found, then try stdlib.h.  Some platforms
- *	   (notably FreeBSD) defined alloca() there.
+ *  1) The #pragma is indented so that pre-ANSI C compilers ignore it.
+ *  2) If alloca.h cannot be found, then try stdlib.h.  Some platforms
+ *     (notably FreeBSD) defined alloca() there.
  */
 #ifdef _MSC_VER
 #include <malloc.h>
@@ -31,19 +31,19 @@
 #elif defined(__MINGW32__) && defined(HAVE_MALLOC_H)
 #include <malloc.h>
 #elif !defined(__GNUC__)
-#	ifdef _AIX
- #		pragma alloca
-#	else
-#		ifndef alloca
-			char * alloca ();
-#		endif
-#	endif
+# ifdef _AIX
+#   pragma alloca
+# else
+#   ifndef alloca
+      char * alloca ();
+#   endif
+# endif
 #else
-#	ifdef HAVE_STDLIB_H
-#		include <stdlib.h>
-#	else
-#		error "The function alloca() is required but not found!"
-#	endif
+# ifdef HAVE_STDLIB_H
+#   include <stdlib.h>
+# else
+#   error "The function alloca() is required but not found!"
+# endif
 #endif
 
 #endif