Tidying up (no functional change)

* add indentation to functions AC_GCC_WARNING_SUBST_NO and
  AC_GCC_WARNING_COND

* remove an extraneous (I hope) "-CFLAGS=$safe_CFLAGS"



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14415 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/configure.ac b/configure.ac
index 63323b4..599203c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1732,17 +1732,17 @@
 # to check (without -W), then the conditional name to set if that
 # warning flag is supported.
 AC_DEFUN([AC_GCC_WARNING_COND],[
-AC_MSG_CHECKING([if gcc accepts -W$1])
-safe_CFLAGS=$CFLAGS
-CFLAGS="-W$1"
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[;]])], [
-has_warning_flag=yes
-AC_MSG_RESULT([yes])], [
-has_warning_flag=no
-AC_MSG_RESULT([no])])
-CFLAGS=$safe_CFLAGS
-AM_CONDITIONAL([$2], test x$has_warning_flag = xyes)]
-)
+  AC_MSG_CHECKING([if gcc accepts -W$1])
+  safe_CFLAGS=$CFLAGS
+  CFLAGS="-W$1"
+  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[;]])], [
+  has_warning_flag=yes
+  AC_MSG_RESULT([yes])], [
+  has_warning_flag=no
+  AC_MSG_RESULT([no])])
+  CFLAGS=$safe_CFLAGS
+  AM_CONDITIONAL([$2], test x$has_warning_flag = xyes)
+])
 
 AC_GCC_WARNING_COND([pointer-sign], [HAS_POINTER_SIGN_WARNING])
 AC_GCC_WARNING_COND([write-strings], [HAS_WRITE_STRINGS_WARNING])
@@ -1756,15 +1756,15 @@
 # that checking is done against the warning flag itself, but the
 # substitution is then done to cancel the warning flag.
 AC_DEFUN([AC_GCC_WARNING_SUBST_NO],[
-AC_MSG_CHECKING([if gcc accepts -W$1])
-safe_CFLAGS=$CFLAGS
-CFLAGS="-W$1"
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[;]])], [
-AC_SUBST([$2], [-Wno-$1])
-AC_MSG_RESULT([yes])], [
-AC_SUBST([$2], [])
-AC_MSG_RESULT([no])])
-CFLAGS=$safe_CFLAGS
+  AC_MSG_CHECKING([if gcc accepts -W$1])
+  safe_CFLAGS=$CFLAGS
+  CFLAGS="-W$1"
+  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[;]])], [
+  AC_SUBST([$2], [-Wno-$1])
+  AC_MSG_RESULT([yes])], [
+  AC_SUBST([$2], [])
+  AC_MSG_RESULT([no])])
+  CFLAGS=$safe_CFLAGS
 ])
 
 AC_GCC_WARNING_SUBST_NO([empty-body], [FLAG_W_NO_EMPTY_BODY])
@@ -1774,6 +1774,7 @@
 AC_GCC_WARNING_SUBST_NO([overflow], [FLAG_W_NO_OVERFLOW])
 AC_GCC_WARNING_SUBST_NO([uninitialized], [FLAG_W_NO_UNINITIALIZED])
 
+
 # does this compiler support -Wextra or the older -W ?
 
 AC_MSG_CHECKING([if gcc accepts -Wextra or -W])
@@ -2024,7 +2025,6 @@
   AC_DEFINE(HAVE_AS_PPC_FPPO, 1, [Define to 1 if as supports floating point phased out category.])
 fi
 
-CFLAGS=$safe_CFLAGS
 
 # does the x86/amd64 assembler understand SSE3 instructions?
 # Note, this doesn't generate a C-level symbol.  It generates a