[devel] Remove some trailing blanks.

scripts/README.txt

@@ -1,5 +1,5 @@
 
-Makefiles for  libpng version 1.5.3beta06 - May 6, 2011
+Makefiles for  libpng version 1.5.3beta06 - May 7, 2011
 
 pnglibconf.h.prebuilt       =>  Stores configuration settings
  makefile.linux    =>  Linux/ELF makefile

scripts/options.awk

@@ -48,7 +48,7 @@ BEGIN{
    deb=0                        # debug - set on command line
    everything=""                # do not override defaults
    logunsupported=0             # write unsupported options too
-   
+
    # Precreate arrays
    option[""] = ""    # list of all options: default enabled/disabled
    done[""] = 1       # marks option as having been output
@@ -301,7 +301,7 @@ pre != 0 && $1 == "chunk" && NF >= 2{
 #   macro is not defined.  The default value will be re-tokenised.
 #   (BTW: this is somewhat restrictive, it mainly exists for the
 #   support of non-standard configurations and numeric parameters,
-#   see the uses in scripts/options.dat 
+#   see the uses in scripts/options.dat
 
 $1 == "setting" && (NF == 2 || NF >= 3 && ($3 == "requires" || $3 == "default")){
    reqs = ""

scripts/pnglibconf.dfa

@@ -43,7 +43,7 @@ file pnglibconf.h scripts/pnglibconf.dfa PNGLCONF_H
 
 # The following setting, option and chunk values can all be changed
 # while building libpng:
-# 
+#
 # setting: change 'setting' lines to fine tune library performance,
 #   changes to the settings don't affect the libpng API functionally
 #
@@ -62,7 +62,7 @@ file pnglibconf.h scripts/pnglibconf.dfa PNGLCONF_H
 # don't want in that file in that file.  You can also turn on options
 # using PNG_<option>_SUPPORTED.  When you have finished rerun
 # configure and rebuild pnglibconf.h file with -DPNG_USER_CONFIG:
-# 
+#
 #  make clean
 #  CPPFLAGS='-DPNG_USER_CONFIG' ./configure
 #  make pnglibconf.h
@@ -73,7 +73,7 @@ file pnglibconf.h scripts/pnglibconf.dfa PNGLCONF_H
 #
 # 2) Add definitions of the settings you want to change to
 # CPPFLAGS; for example:
-# 
+#
 #   -DPNG_DEFAULT_READ_MACROS=0
 #
 # (This would change the default to *not* use read macros.)  Be
@@ -193,11 +193,11 @@ option FLOATING_ARITHMETIC
 option FLOATING_POINT enables ok_math
 option FIXED_POINT enables ok_math
 
-# Added at libpng version 1.4.0 
+# Added at libpng version 1.4.0
 
 option ERROR_TEXT
 
-# The following is always on (defined empty) 
+# The following is always on (defined empty)
 
 setting CALLOC_SUPPORTED default
 

scripts/pnglibconf.h.prebuilt

@@ -17,7 +17,7 @@
 /* pnglibconf.dfa with respect to the dependencies between the following */
 /* symbols.  It is much better to generate a new file using */
 /* scripts/libpngconf.mak */
-  
+
 #ifndef PNGLCONF_H
 #define PNGLCONF_H
 /* settings */

scripts/pnglibconf.mak

@@ -1,6 +1,6 @@
 #!/usr/bin/make -f
 # pnglibconf.mak - standard make lines for pnglibconf.h
-# 
+#
 # These lines are copied from Makefile.am, they illustrate
 # how to automate the build of pnglibconf.h from scripts/pnglibconf.dfa
 # given 'awk' and 'sed'