Trim trailing whitespaces in build files

Some editors utilizing .editorconfig automatically trim whitespaces. For
convenience this patch removes whitespaces in certain build files:
- ext/*/config*.m4
- configure.ac
- acinclude.m4

1 files changed, 6 insertions, 6 deletions

diff --git a/ext/xsl/config.m4 b/ext/xsl/config.m4
index 0cceac4915..ccf6de1839 100644
--- a/ext/xsl/config.m4
+++ b/ext/xsl/config.m4
@@ -9,7 +9,7 @@ if test "$PHP_XSL" != "no"; then
   if test "$PHP_LIBXML" = "no"; then
     AC_MSG_ERROR([XSL extension requires LIBXML extension, add --enable-libxml])
   fi
-  
+
   if test "$PHP_DOM" = "no"; then
     AC_MSG_ERROR([XSL extension requires DOM extension, add --enable-dom])
   fi
@@ -35,7 +35,7 @@ if test "$PHP_XSL" != "no"; then
       XSL_INCS=`$XSLT_CONFIG --cflags`
       PHP_EVAL_LIBLINE($XSL_LIBS, XSL_SHARED_LIBADD)
       PHP_EVAL_INCLINE($XSL_INCS)
-      
+
       AC_MSG_CHECKING([for EXSLT support])
       for i in $PHP_XSL /usr/local /usr; do
         if test -r "$i/include/libexslt/exslt.h"; then
@@ -45,7 +45,7 @@ if test "$PHP_XSL" != "no"; then
       done
       if test -z "$PHP_XSL_EXSL_DIR"; then
         AC_MSG_RESULT(not found)
-      else 
+      else
         AC_MSG_RESULT(found)
         PHP_ADD_LIBRARY_WITH_PATH(exslt, $PHP_XSL_EXSL_DIR/$PHP_LIBDIR, XSL_SHARED_LIBADD)
         PHP_ADD_INCLUDE($PHP_XSL_EXSL_DIR/include)
@@ -54,10 +54,10 @@ if test "$PHP_XSL" != "no"; then
     else
       AC_MSG_ERROR([libxslt version 1.1.0 or greater required.])
     fi
-    
-  
+
+
   fi
-  
+
   AC_DEFINE(HAVE_XSL,1,[ ])
   PHP_NEW_EXTENSION(xsl, php_xsl.c xsltprocessor.c, $ext_shared)
   PHP_SUBST(XSL_SHARED_LIBADD)