Fix ini functions to handle spaces in section names

This allows section names to look like:

[ default ]

OpenSSL is the primary offender for this usage.

Change-Id: If5c711107e73cebab9d4a26ca02a7ce572224377
diff --git a/functions b/functions
index 8ab3eef..cdb982d 100644
--- a/functions
+++ b/functions
@@ -370,7 +370,7 @@
     local file=$1
     local section=$2
     local option=$3
-    sed -i -e "/^\[$section\]/,/^\[.*\]/ s|^\($option[ \t]*=.*$\)|#\1|" $file
+    sed -ie "/^\[ *$section *\]/,/^\[.*\]/ s|^\($option[ \t]*=.*$\)|#\1|" $file
 }
 
 # Uncomment an option in an INI file
@@ -379,7 +379,7 @@
     local file=$1
     local section=$2
     local option=$3
-    sed -i -e "/^\[$section\]/,/^\[.*\]/ s|[^ \t]*#[ \t]*\($option[ \t]*=.*$\)|\1|" $file
+    sed -ie "/^\[ *$section *\]/,/^\[.*\]/ s|[^ \t]*#[ \t]*\($option[ \t]*=.*$\)|\1|" $file
 }
 
 
@@ -390,7 +390,7 @@
     local section=$2
     local option=$3
     local line
-    line=$(sed -ne "/^\[$section\]/,/^\[.*\]/ { /^$option[ \t]*=/ p; }" $file)
+    line=$(sed -ne "/^\[ *$section *\]/,/^\[.*\]/ { /^$option[ \t]*=/ p; }" $file)
     echo ${line#*=}
 }
 
@@ -402,18 +402,18 @@
     local section=$2
     local option=$3
     local value=$4
-    if ! grep -q "^\[$section\]" $file; then
+    if ! grep -q "^\[ *$section *\]" $file; then
         # Add section at the end
         echo -e "\n[$section]" >>$file
     fi
     if [[ -z "$(iniget $file $section $option)" ]]; then
         # Add it
-        sed -i -e "/^\[$section\]/ a\\
+        sed -ie "/^\[ *$section *\]/ a\\
 $option = $value
 " $file
     else
         # Replace it
-        sed -i -e "/^\[$section\]/,/^\[.*\]/ s|^\($option[ \t]*=[ \t]*\).*$|\1$value|" $file
+        sed -ie "/^\[ *$section *\]/,/^\[.*\]/ s|^\($option[ \t]*=[ \t]*\).*$|\1$value|" $file
     fi
 }