[libxml2] Fix a self assignment issue raised by clang

[Daniel Veillard <veillard src gnome org>]

commit 58b84e1f822d9323b4bbadeb07ee147cccc96e7e
Author: Scott Graham <scottmg chromium org>
Date:   Tue Jun 30 10:47:16 2015 +0800

    Fix a self assignment issue raised by clang
    
    For https://bugzilla.gnome.org/show_bug.cgi?id=751679
    
    Also added a few newline cleanups

 xmlschemas.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/xmlschemas.c b/xmlschemas.c
index 0657b66..d47512f 100644
--- a/xmlschemas.c
+++ b/xmlschemas.c
@@ -24186,6 +24186,7 @@ xmlSchemaValidateFacets(xmlSchemaAbstractCtxtPtr actxt,
        else
            goto pattern_and_enum;
     }
+
     /*
     * Whitespace handling is only of importance for string-based
     * types.
@@ -24196,14 +24197,13 @@ xmlSchemaValidateFacets(xmlSchemaAbstractCtxtPtr actxt,
        ws = xmlSchemaGetWhiteSpaceFacetValue(type);
     } else
        ws = XML_SCHEMA_WHITESPACE_COLLAPSE;
+
     /*
     * If the value was not computed (for string or
     * anySimpleType based types), then use the provided
     * type.
     */
-    if (val == NULL)
-       valType = valType;
-    else
+    if (val != NULL)
        valType = xmlSchemaGetValType(val);
 
     ret = 0;